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diff --git a/dibond/render/printed/ribbon_clamps.png b/dibond/render/printed/ribbon_clamps.png
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diff --git a/dibond/render/printed/x_carriage_parts.png b/dibond/render/printed/x_carriage_parts.png
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diff --git a/dibond/render/x_carriage_fan_bracket.png b/dibond/render/x_carriage_fan_bracket.png
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diff --git a/dibond/render/x_idler_bracket.png b/dibond/render/x_idler_bracket.png
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diff --git a/dibond/render/x_motor_bracket.png b/dibond/render/x_motor_bracket.png
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diff --git a/dibond/render/y_bar_clamp_switch.png b/dibond/render/y_bar_clamp_switch.png
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diff --git a/dibond/render/z_coupling.png b/dibond/render/z_coupling.png
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-  <line x1="3.999980mm" y1="196.400000mm" x2="3.941880mm" y2="196.878600mm" />
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+  <line x1="4.000000mm" y1="196.400000mm" x2="3.941880mm" y2="196.878600mm" />
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-  <line x1="3.999980mm" y1="259.900000mm" x2="3.941880mm" y2="260.378600mm" />
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diff --git a/dibond/stls/accessories/light_strip_bracket_left.stl b/dibond/stls/accessories/light_strip_bracket_left.stl
index c072e11..4900c75 100644
--- a/dibond/stls/accessories/light_strip_bracket_left.stl
+++ b/dibond/stls/accessories/light_strip_bracket_left.stl
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       vertex 0 93.3 0
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diff --git a/dibond/stls/accessories/light_strip_bracket_right.stl b/dibond/stls/accessories/light_strip_bracket_right.stl
index 8da2cc5..1be423b 100644
--- a/dibond/stls/accessories/light_strip_bracket_right.stl
+++ b/dibond/stls/accessories/light_strip_bracket_right.stl
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diff --git a/dibond/stls/accessories/rpi_camera_front.stl b/dibond/stls/accessories/rpi_camera_front.stl
index d665f7c..384b738 100644
--- a/dibond/stls/accessories/rpi_camera_front.stl
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       vertex -8.75 10 2.8
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@@ -5057,13 +4847,6 @@ solid OpenSCAD_Model
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@@ -5071,13 +4854,6 @@ solid OpenSCAD_Model
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       vertex -8.88388 7.88388 2.8
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+  facet normal 0.980785 0.195091 0
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+      vertex -9.15485 7.47835 2.8
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@@ -7472,13 +7206,6 @@ solid OpenSCAD_Model
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+      vertex 5.3 26.138 11.8567
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@@ -7727,13 +7454,6 @@ solid OpenSCAD_Model
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@@ -7787,13 +7507,13 @@ solid OpenSCAD_Model
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@@ -7807,7 +7527,7 @@ solid OpenSCAD_Model
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@@ -7821,14 +7541,14 @@ solid OpenSCAD_Model
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@@ -7842,7 +7562,7 @@ solid OpenSCAD_Model
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@@ -7856,7 +7576,7 @@ solid OpenSCAD_Model
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@@ -7920,7 +7640,7 @@ solid OpenSCAD_Model
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@@ -7934,21 +7654,21 @@ solid OpenSCAD_Model
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diff --git a/dibond/stls/accessories/rpi_light_clamp.stl b/dibond/stls/accessories/rpi_light_clamp.stl
index c9adba7..ba58334 100644
--- a/dibond/stls/accessories/rpi_light_clamp.stl
+++ b/dibond/stls/accessories/rpi_light_clamp.stl
@@ -13,25 +13,18 @@ solid OpenSCAD_Model
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@@ -83,27 +76,13 @@ solid OpenSCAD_Model
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@@ -286,13 +244,6 @@ solid OpenSCAD_Model
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@@ -328,20 +279,6 @@ solid OpenSCAD_Model
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-  facet normal 0 0 -1
-    outer loop
-      vertex -1.65 2 8.15788
-      vertex 0.159435 5 8.15788
-      vertex 1.65 2 8.15788
+      vertex 1.65 5 8.15788
     endloop
   endfacet
   facet normal 0 1 -0
@@ -398,6 +314,13 @@ solid OpenSCAD_Model
       vertex 0.724854 2 7.05
     endloop
   endfacet
+  facet normal 0 0 -1
+    outer loop
+      vertex -1.65 2 8.15788
+      vertex 1.65 5 8.15788
+      vertex 1.65 2 8.15788
+    endloop
+  endfacet
   facet normal -0 0 1
     outer loop
       vertex -1.65 5 2.44212
@@ -407,9 +330,30 @@ solid OpenSCAD_Model
   endfacet
   facet normal 0 1 0
     outer loop
-      vertex -1.65 5 2.44212
-      vertex 1.65 5 2.44212
-      vertex 3.74379 5 1.56621
+      vertex -1.65 5 8.15788
+      vertex -0.124237 5 10.6085
+      vertex 1.65 5 8.15788
+    endloop
+  endfacet
+  facet normal 0 1 0
+    outer loop
+      vertex -1.65 5 8.15788
+      vertex -0.619858 5 10.5736
+      vertex -0.124237 5 10.6085
+    endloop
+  endfacet
+  facet normal 0 1 0
+    outer loop
+      vertex -1.65 5 8.15788
+      vertex -1.11003 5 10.4924
+      vertex -0.619858 5 10.5736
+    endloop
+  endfacet
+  facet normal 0 1 0
+    outer loop
+      vertex -1.65 5 8.15788
+      vertex -1.59044 5 10.3657
+      vertex -1.11003 5 10.4924
     endloop
   endfacet
   facet normal 0.90963 0 0.41542
@@ -468,13 +412,6 @@ solid OpenSCAD_Model
       vertex -1.67911 0 5.79303
     endloop
   endfacet
-  facet normal 0.866025 0 -0.5
-    outer loop
-      vertex -1.85967 5 7.79472
-      vertex -1.65 5 8.15788
-      vertex -1.65 2 8.15788
-    endloop
-  endfacet
   facet normal 1 0 0
     outer loop
       vertex -10.1 -1 0
@@ -860,13 +797,6 @@ solid OpenSCAD_Model
       vertex -2.05688 5 10.1946
     endloop
   endfacet
-  facet normal 0 1 -0
-    outer loop
-      vertex -2.05688 5 10.1946
-      vertex -0.687655 5 8.15788
-      vertex -1.15165 5 8.15788
-    endloop
-  endfacet
   facet normal -0.344454 0 0.938803
     outer loop
       vertex -2.05688 5 10.1946
@@ -878,14 +808,7 @@ solid OpenSCAD_Model
     outer loop
       vertex -2.05688 5 10.1946
       vertex -1.59044 5 10.3657
-      vertex -0.687655 5 8.15788
-    endloop
-  endfacet
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-    outer loop
-      vertex -2.06338 5 7.44189
-      vertex -1.85967 5 7.79472
-      vertex -1.65 2 8.15788
+      vertex -1.65 5 8.15788
     endloop
   endfacet
   facet normal -0 0 -1
@@ -909,11 +832,18 @@ solid OpenSCAD_Model
       vertex 2.19534 3 0.0100117
     endloop
   endfacet
-  facet normal 0.866025 8.64877e-009 -0.5
+  facet normal 0 1 0
     outer loop
-      vertex -2.26191 5 7.09803
-      vertex -2.06338 5 7.44189
-      vertex -1.65 2 8.15788
+      vertex -2.19534 5 0.0100117
+      vertex -1.65 5 2.44212
+      vertex 1.65 5 2.44212
+    endloop
+  endfacet
+  facet normal 0 1 0
+    outer loop
+      vertex -2.19534 5 0.0100117
+      vertex 1.65 5 2.44212
+      vertex 2.19534 5 0.0100117
     endloop
   endfacet
   facet normal -0.430875 0 0.902412
@@ -923,13 +853,6 @@ solid OpenSCAD_Model
       vertex -2.50525 5 9.9805
     endloop
   endfacet
-  facet normal 0 1 -0
-    outer loop
-      vertex -2.50525 5 9.9805
-      vertex -1.15165 5 8.15788
-      vertex -1.64915 5 8.15788
-    endloop
-  endfacet
   facet normal -0.430875 0 0.902412
     outer loop
       vertex -2.50525 5 9.9805
@@ -941,7 +864,7 @@ solid OpenSCAD_Model
     outer loop
       vertex -2.50525 5 9.9805
       vertex -2.05688 5 10.1946
-      vertex -1.15165 5 8.15788
+      vertex -1.65 5 8.15788
     endloop
   endfacet
   facet normal -0.513466 0 0.85811
@@ -951,13 +874,6 @@ solid OpenSCAD_Model
       vertex -2.93159 5 9.72539
     endloop
   endfacet
-  facet normal 0 1 -0
-    outer loop
-      vertex -2.93159 5 9.72539
-      vertex -1.64915 5 8.15788
-      vertex -1.65 5 8.15788
-    endloop
-  endfacet
   facet normal -0.513466 0 0.85811
     outer loop
       vertex -2.93159 5 9.72539
@@ -969,7 +885,7 @@ solid OpenSCAD_Model
     outer loop
       vertex -2.93159 5 9.72539
       vertex -2.50525 5 9.9805
-      vertex -1.64915 5 8.15788
+      vertex -1.65 5 8.15788
     endloop
   endfacet
   facet normal 0 1 0
@@ -1028,18 +944,18 @@ solid OpenSCAD_Model
       vertex -1.67911 2 4.80697
     endloop
   endfacet
-  facet normal 0.866025 -3.14426e-008 -0.5
+  facet normal 0.866025 0 -0.5
     outer loop
       vertex -3.3 2 5.3
-      vertex -2.26191 5 7.09803
+      vertex -3.3 5 5.3
       vertex -1.65 2 8.15788
     endloop
   endfacet
   facet normal 0.866025 0 -0.5
     outer loop
-      vertex -3.3 2 5.3
       vertex -3.3 5 5.3
-      vertex -2.26191 5 7.09803
+      vertex -1.65 5 8.15788
+      vertex -1.65 2 8.15788
     endloop
   endfacet
   facet normal -0.591574 0 0.806251
@@ -1049,13 +965,6 @@ solid OpenSCAD_Model
       vertex -3.33217 5 9.43147
     endloop
   endfacet
-  facet normal 0 1 0
-    outer loop
-      vertex -3.33217 5 9.43147
-      vertex -1.65 5 8.15788
-      vertex -1.85967 5 7.79472
-    endloop
-  endfacet
   facet normal -0.591574 0 0.806251
     outer loop
       vertex -3.33217 5 9.43147
@@ -1077,13 +986,6 @@ solid OpenSCAD_Model
       vertex -3.70348 5 9.10134
     endloop
   endfacet
-  facet normal 0 1 0
-    outer loop
-      vertex -3.70348 5 9.10134
-      vertex -1.85967 5 7.79472
-      vertex -2.06338 5 7.44189
-    endloop
-  endfacet
   facet normal -0.664463 0 0.747321
     outer loop
       vertex -3.70348 5 9.10134
@@ -1095,37 +997,16 @@ solid OpenSCAD_Model
     outer loop
       vertex -3.70348 5 9.10134
       vertex -3.33217 5 9.43147
-      vertex -1.85967 5 7.79472
+      vertex -1.65 5 8.15788
     endloop
   endfacet
   facet normal 0 1 0
     outer loop
       vertex -3.74586 5 1.56413
       vertex -1.65 5 2.44212
-      vertex 3.74379 5 1.56621
-    endloop
-  endfacet
-  facet normal -5.62828e-008 1 1.34355e-007
-    outer loop
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-      vertex -3.3 5 5.3
-      vertex -1.65 5 2.44212
-    endloop
-  endfacet
-  facet normal 0 1 -0
-    outer loop
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-      vertex 2.19534 5 0.0100117
       vertex -2.19534 5 0.0100117
     endloop
   endfacet
-  facet normal 0 1 0
-    outer loop
-      vertex -3.74586 5 1.56413
-      vertex 3.74379 5 1.56621
-      vertex 2.19534 5 0.0100117
-    endloop
-  endfacet
   facet normal -0.707107 0 0.707107
     outer loop
       vertex -3.74767 3 1.56233
@@ -1189,6 +1070,13 @@ solid OpenSCAD_Model
       vertex -4.04222 5 8.73787
     endloop
   endfacet
+  facet normal 0 1 0
+    outer loop
+      vertex -4.04222 5 1.88213
+      vertex -1.65 5 2.44212
+      vertex -3.74586 5 1.56413
+    endloop
+  endfacet
   facet normal -0.731557 0 -0.68178
     outer loop
       vertex -4.04222 5 1.88213
@@ -1196,32 +1084,11 @@ solid OpenSCAD_Model
       vertex -3.74586 3 1.56413
     endloop
   endfacet
-  facet normal 0 1 0
-    outer loop
-      vertex -4.04222 5 8.73787
-      vertex -2.06338 5 7.44189
-      vertex -2.26191 5 7.09803
-    endloop
-  endfacet
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-    outer loop
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-      vertex -2.26191 5 7.09803
-      vertex -3.3 5 5.3
-    endloop
-  endfacet
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-    outer loop
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-      vertex -3.3 5 5.3
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-  endfacet
   facet normal 0 1 0
     outer loop
       vertex -4.04222 5 8.73787
       vertex -3.70348 5 9.10134
-      vertex -2.06338 5 7.44189
+      vertex -1.65 5 8.15788
     endloop
   endfacet
   facet normal -0.792157 -0 -0.610318
@@ -1245,6 +1112,13 @@ solid OpenSCAD_Model
       vertex -4.34546 5 8.34429
     endloop
   endfacet
+  facet normal 0 1 0
+    outer loop
+      vertex -4.34546 5 2.27571
+      vertex -1.65 5 2.44212
+      vertex -4.04222 5 1.88213
+    endloop
+  endfacet
   facet normal -0.792157 0 -0.610318
     outer loop
       vertex -4.34546 5 2.27571
@@ -1252,11 +1126,11 @@ solid OpenSCAD_Model
       vertex -4.04222 3 1.88213
     endloop
   endfacet
-  facet normal -1.63767e-007 1 1.26174e-007
+  facet normal 0 1 0
     outer loop
       vertex -4.34546 5 8.34429
       vertex -4.04222 5 8.73787
-      vertex -3.74586 5 1.56413
+      vertex -1.65 5 8.15788
     endloop
   endfacet
   facet normal -0.84584 -0 -0.533437
@@ -1280,6 +1154,20 @@ solid OpenSCAD_Model
       vertex -4.61049 5 7.92404
     endloop
   endfacet
+  facet normal 0 1 0
+    outer loop
+      vertex -4.61049 5 2.69596
+      vertex -1.65 5 2.44212
+      vertex -4.34546 5 2.27571
+    endloop
+  endfacet
+  facet normal 0 1 0
+    outer loop
+      vertex -4.61049 5 2.69596
+      vertex -3.3 5 5.3
+      vertex -1.65 5 2.44212
+    endloop
+  endfacet
   facet normal -0.84584 0 -0.533437
     outer loop
       vertex -4.61049 5 2.69596
@@ -1287,11 +1175,18 @@ solid OpenSCAD_Model
       vertex -4.34546 3 2.27571
     endloop
   endfacet
-  facet normal -1.95603e-007 1 1.23359e-007
+  facet normal 0 1 -0
+    outer loop
+      vertex -4.61049 5 7.92404
+      vertex -1.65 5 8.15788
+      vertex -3.3 5 5.3
+    endloop
+  endfacet
+  facet normal 0 1 0
     outer loop
       vertex -4.61049 5 7.92404
       vertex -4.34546 5 8.34429
-      vertex -3.74586 5 1.56413
+      vertex -1.65 5 8.15788
     endloop
   endfacet
   facet normal -0.892062 -0 -0.451912
@@ -1315,6 +1210,13 @@ solid OpenSCAD_Model
       vertex -4.83502 5 7.48082
     endloop
   endfacet
+  facet normal 0 1 0
+    outer loop
+      vertex -4.83502 5 3.13918
+      vertex -3.3 5 5.3
+      vertex -4.61049 5 2.69596
+    endloop
+  endfacet
   facet normal -0.892062 0 -0.451912
     outer loop
       vertex -4.83502 5 3.13918
@@ -1322,11 +1224,11 @@ solid OpenSCAD_Model
       vertex -4.61049 3 2.69596
     endloop
   endfacet
-  facet normal -2.33371e-007 1 1.18224e-007
+  facet normal 0 1 0
     outer loop
       vertex -4.83502 5 7.48082
       vertex -4.61049 5 7.92404
-      vertex -3.74586 5 1.56413
+      vertex -3.3 5 5.3
     endloop
   endfacet
   facet normal -0.930463 -0 -0.366387
@@ -1350,6 +1252,13 @@ solid OpenSCAD_Model
       vertex -5.01706 5 7.01853
     endloop
   endfacet
+  facet normal 0 1 0
+    outer loop
+      vertex -5.01706 5 3.60147
+      vertex -3.3 5 5.3
+      vertex -4.83502 5 3.13918
+    endloop
+  endfacet
   facet normal -0.930463 0 -0.366387
     outer loop
       vertex -5.01706 5 3.60147
@@ -1358,45 +1267,10 @@ solid OpenSCAD_Model
     endloop
   endfacet
   facet normal 0 1 0
-    outer loop
-      vertex -5.01706 5 3.60147
-      vertex -5.01706 5 7.01853
-      vertex -4.83502 5 3.13918
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-      vertex -3.74586 5 1.56413
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-  endfacet
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-      vertex -4.04222 5 1.88213
-      vertex -4.34546 5 2.27571
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-  endfacet
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     outer loop
       vertex -5.01706 5 7.01853
       vertex -4.83502 5 7.48082
-      vertex -3.74586 5 1.56413
+      vertex -3.3 5 5.3
     endloop
   endfacet
   facet normal -0.960687 -0 -0.277632
@@ -1420,6 +1294,13 @@ solid OpenSCAD_Model
       vertex -5.155 5 6.54122
     endloop
   endfacet
+  facet normal 0 1 0
+    outer loop
+      vertex -5.155 5 4.07878
+      vertex -3.3 5 5.3
+      vertex -5.01706 5 3.60147
+    endloop
+  endfacet
   facet normal -0.960687 0 -0.277632
     outer loop
       vertex -5.155 5 4.07878
@@ -1429,9 +1310,9 @@ solid OpenSCAD_Model
   endfacet
   facet normal 0 1 0
     outer loop
-      vertex -5.155 5 4.07878
+      vertex -5.155 5 6.54122
       vertex -5.01706 5 7.01853
-      vertex -5.01706 5 3.60147
+      vertex -3.3 5 5.3
     endloop
   endfacet
   facet normal -0.982465 -0 -0.186445
@@ -1458,7 +1339,7 @@ solid OpenSCAD_Model
   facet normal 0 1 0
     outer loop
       vertex -5.24763 5 4.56693
-      vertex -5.01706 5 7.01853
+      vertex -3.3 5 5.3
       vertex -5.155 5 4.07878
     endloop
   endfacet
@@ -1473,7 +1354,7 @@ solid OpenSCAD_Model
     outer loop
       vertex -5.24763 5 6.05307
       vertex -5.155 5 6.54122
-      vertex -5.01706 5 7.01853
+      vertex -3.3 5 5.3
     endloop
   endfacet
   facet normal -1 -0 0
@@ -1514,7 +1395,7 @@ solid OpenSCAD_Model
   facet normal 0 1 0
     outer loop
       vertex -5.29417 5 5.06159
-      vertex -5.01706 5 7.01853
+      vertex -3.3 5 5.3
       vertex -5.24763 5 4.56693
     endloop
   endfacet
@@ -1529,21 +1410,14 @@ solid OpenSCAD_Model
     outer loop
       vertex -5.29417 5 5.06159
       vertex -5.29417 5 5.55841
-      vertex -5.01706 5 7.01853
+      vertex -3.3 5 5.3
     endloop
   endfacet
   facet normal 0 1 0
     outer loop
       vertex -5.29417 5 5.55841
       vertex -5.24763 5 6.05307
-      vertex -5.01706 5 7.01853
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-  facet normal 0 0 -1
-    outer loop
-      vertex 0.159435 5 8.15788
-      vertex 0.55045 5 8.15788
-      vertex 1.65 2 8.15788
+      vertex -3.3 5 5.3
     endloop
   endfacet
   facet normal 0 -1 0
@@ -1637,25 +1511,11 @@ solid OpenSCAD_Model
       vertex 0.865891 5 10.5388
     endloop
   endfacet
-  facet normal 2.4087e-008 1 2.04496e-007
+  facet normal 0 1 0
     outer loop
       vertex 0.372452 5 10.5969
       vertex 0.865891 5 10.5388
-      vertex 1.28298 5 8.15788
-    endloop
-  endfacet
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-    outer loop
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-  facet normal 0 0 -1
-    outer loop
-      vertex 0.55045 5 8.15788
-      vertex 0.924077 5 8.15788
-      vertex 1.65 2 8.15788
+      vertex 1.65 5 8.15788
     endloop
   endfacet
   facet normal -0.707107 -0 -0.707107
@@ -1728,25 +1588,11 @@ solid OpenSCAD_Model
       vertex 1.35172 5 10.4347
     endloop
   endfacet
-  facet normal 4.60574e-008 1 2.15049e-007
+  facet normal 0 1 0
     outer loop
       vertex 0.865891 5 10.5388
       vertex 1.35172 5 10.4347
-      vertex 1.62955 5 8.15788
-    endloop
-  endfacet
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-  facet normal 0 0 -1
-    outer loop
-      vertex 0.924077 5 8.15788
-      vertex 1.28298 5 8.15788
-      vertex 1.65 2 8.15788
+      vertex 1.65 5 8.15788
     endloop
   endfacet
   facet normal -0.755745 0 0.654866
@@ -1833,13 +1679,6 @@ solid OpenSCAD_Model
       vertex 1.47218 2 6.24612
     endloop
   endfacet
-  facet normal 0 0 -1
-    outer loop
-      vertex 1.28298 5 8.15788
-      vertex 1.62955 5 8.15788
-      vertex 1.65 2 8.15788
-    endloop
-  endfacet
   facet normal 0.300077 0 0.953915
     outer loop
       vertex 1.35172 3 10.4347
@@ -1854,13 +1693,6 @@ solid OpenSCAD_Model
       vertex 1.82567 3 10.2856
     endloop
   endfacet
-  facet normal -0 1 2.09429e-007
-    outer loop
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-    endloop
-  endfacet
   facet normal 0.300077 0 0.953915
     outer loop
       vertex 1.35172 5 10.4347
@@ -1868,17 +1700,10 @@ solid OpenSCAD_Model
       vertex 1.82567 5 10.2856
     endloop
   endfacet
-  facet normal 4.96158e-008 1 1.57723e-007
+  facet normal 0 1 -0
     outer loop
       vertex 1.35172 5 10.4347
       vertex 1.82567 5 10.2856
-      vertex 2.24277 5 7.13117
-    endloop
-  endfacet
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-      vertex 1.35172 5 10.4347
-      vertex 2.24277 5 7.13117
       vertex 1.65 5 8.15788
     endloop
   endfacet
@@ -1952,95 +1777,123 @@ solid OpenSCAD_Model
       vertex 1.67911 2 5.79303
     endloop
   endfacet
-  facet normal 0 0 -1
+  facet normal -0.866025 0 0.5
     outer loop
-      vertex 1.62955 5 8.15788
-      vertex 1.65 5 8.15788
-      vertex 1.65 2 8.15788
+      vertex 1.65 2 2.44212
+      vertex 3.3 2 5.3
+      vertex 3.3 5 5.3
     endloop
   endfacet
   facet normal -0.866025 0 0.5
     outer loop
       vertex 1.65 2 2.44212
-      vertex 2.04676 5 3.12933
+      vertex 3.3 5 5.3
       vertex 1.65 5 2.44212
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   endfacet
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diff --git a/dibond/stls/atx_long_bracket.stl b/dibond/stls/atx_long_bracket.stl
index 7b06995..abafcaf 100644
--- a/dibond/stls/atx_long_bracket.stl
+++ b/dibond/stls/atx_long_bracket.stl
@@ -1119,14 +1119,14 @@ solid OpenSCAD_Model
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@@ -1161,7 +1161,7 @@ solid OpenSCAD_Model
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@@ -1182,7 +1182,7 @@ solid OpenSCAD_Model
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+  facet normal 0.300712 0.953715 -0
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@@ -1283,7 +1283,7 @@ solid OpenSCAD_Model
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-      vertex 57.645 -7.05924e-015 5
+      vertex 57.645 0 5
       vertex 57.1593 0.0222931 5
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@@ -1357,7 +1357,7 @@ solid OpenSCAD_Model
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+  facet normal 0.0436096 0.999049 0
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@@ -1389,7 +1389,7 @@ solid OpenSCAD_Model
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       vertex -33.2261 3.4459 0
       vertex 56.4294 3.73587 0
-      vertex 74.99 -9.18332e-015 0
+      vertex 74.99 0 0
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   endfacet
   facet normal -0 0 1
@@ -1434,6 +1434,34 @@ solid OpenSCAD_Model
       vertex -31.625 9.3574 5.01
     endloop
   endfacet
+  facet normal 0 0 1
+    outer loop
+      vertex -33.645 0 5
+      vertex -33.1593 0.0222931 5
+      vertex -33.645 0.00108337 5
+    endloop
+  endfacet
+  facet normal 1 0 0
+    outer loop
+      vertex -33.645 0 5
+      vertex -33.645 0.00108337 5
+      vertex -33.645 0 9
+    endloop
+  endfacet
+  facet normal 0 0 1
+    outer loop
+      vertex -33.645 0 5
+      vertex 57.645 0 5
+      vertex -33.1593 0.0222931 5
+    endloop
+  endfacet
+  facet normal 1 -0 0
+    outer loop
+      vertex -33.645 0 9
+      vertex -33.645 0.00108337 5
+      vertex -33.645 0.00108337 9
+    endloop
+  endfacet
   facet normal 0.0436238 -0.999048 0
     outer loop
       vertex -33.645 0.00108337 5
@@ -1455,34 +1483,6 @@ solid OpenSCAD_Model
       vertex -31.625 2.3426 9
     endloop
   endfacet
-  facet normal 0 0 1
-    outer loop
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-      vertex -33.1593 0.0222931 5
-      vertex -33.645 0.00108337 5
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-  endfacet
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-      vertex -33.645 4.12019e-015 9
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-  endfacet
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-      vertex 57.645 -7.05924e-015 5
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-  endfacet
   facet normal 0 0 -1
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       vertex -33.67 11.72 0
@@ -1490,14 +1490,14 @@ solid OpenSCAD_Model
       vertex -33.2261 8.2541 0
     endloop
   endfacet
-  facet normal 0.0436099 0.999049 0
+  facet normal 0.0436095 0.999049 0
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       vertex -33.67 11.72 0
       vertex -33.2121 11.7 5
       vertex -33.2121 11.7 0
     endloop
   endfacet
-  facet normal 0.0436099 0.999049 0
+  facet normal 0.0436095 0.999049 0
     outer loop
       vertex -33.67 11.72 0
       vertex -33.67 11.72 9
@@ -1511,7 +1511,7 @@ solid OpenSCAD_Model
       vertex -33.1593 11.6977 9
     endloop
   endfacet
-  facet normal 0.0436095 0.999049 -4.09345e-008
+  facet normal 0.0436095 0.999049 6.54725e-010
     outer loop
       vertex -33.67 11.72 9
       vertex -33.1593 11.6977 9
@@ -1665,6 +1665,13 @@ solid OpenSCAD_Model
       vertex -31.625 2.3426 5.01
     endloop
   endfacet
+  facet normal 0 0 1
+    outer loop
+      vertex -35.675 2.3426 9
+      vertex -33.645 0 9
+      vertex -33.645 0.00108337 9
+    endloop
+  endfacet
   facet normal -0 0 1
     outer loop
       vertex -35.675 2.3426 9
@@ -1672,13 +1679,6 @@ solid OpenSCAD_Model
       vertex -31.625 2.3426 9
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   endfacet
-  facet normal 0 0 1
-    outer loop
-      vertex -35.675 2.3426 9
-      vertex -33.645 4.12019e-015 9
-      vertex -33.645 0.00108337 9
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-  endfacet
   facet normal 0 -1 -0
     outer loop
       vertex -35.675 9.3574 5.01
@@ -1863,28 +1863,28 @@ solid OpenSCAD_Model
   endfacet
   facet normal 0 0 -1
     outer loop
-      vertex -37.0311 10.6602 0
+      vertex -37.0312 10.6602 0
       vertex -36.6 10.9349 0
       vertex -35.944 6.68494 0
     endloop
   endfacet
   facet normal -0.53732 0.843379 0
     outer loop
-      vertex -37.0311 10.6602 0
-      vertex -37.0311 10.6602 9
+      vertex -37.0312 10.6602 0
+      vertex -37.0312 10.6602 9
       vertex -36.6 10.9349 0
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   endfacet
   facet normal -0 0 1
     outer loop
-      vertex -37.0311 10.6602 9
+      vertex -37.0312 10.6602 9
       vertex -35.675 9.3574 9
       vertex -36.6 10.9349 9
     endloop
   endfacet
   facet normal -0.53732 0.843379 0
     outer loop
-      vertex -37.0311 10.6602 9
+      vertex -37.0312 10.6602 9
       vertex -36.6 10.9349 9
       vertex -36.6 10.9349 0
     endloop
@@ -1892,7 +1892,7 @@ solid OpenSCAD_Model
   facet normal 0 0 -1
     outer loop
       vertex -37.4367 10.349 0
-      vertex -37.0311 10.6602 0
+      vertex -37.0312 10.6602 0
       vertex -35.944 6.68494 0
     endloop
   endfacet
@@ -1900,21 +1900,21 @@ solid OpenSCAD_Model
     outer loop
       vertex -37.4367 10.349 0
       vertex -37.4367 10.349 9
-      vertex -37.0311 10.6602 0
+      vertex -37.0312 10.6602 0
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   endfacet
   facet normal -0 0 1
     outer loop
       vertex -37.4367 10.349 9
       vertex -35.675 9.3574 9
-      vertex -37.0311 10.6602 9
+      vertex -37.0312 10.6602 9
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   endfacet
   facet normal -0.608751 0.793361 0
     outer loop
       vertex -37.4367 10.349 9
-      vertex -37.0311 10.6602 9
-      vertex -37.0311 10.6602 0
+      vertex -37.0312 10.6602 9
+      vertex -37.0312 10.6602 0
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   endfacet
   facet normal 0 0 1
@@ -2206,44 +2206,44 @@ solid OpenSCAD_Model
   endfacet
   facet normal 1 -0 0
     outer loop
-      vertex -39.49 4.83597e-015 12
+      vertex -39.49 0 12
       vertex -39.49 5 9
       vertex -39.49 5 12
     endloop
   endfacet
-  facet normal -1.22461e-016 -1 0
+  facet normal 0 -1 0
     outer loop
-      vertex -39.49 4.83597e-015 9
-      vertex -33.645 4.12019e-015 5
-      vertex -33.645 4.12019e-015 9
+      vertex -39.49 0 9
+      vertex -33.645 0 5
+      vertex -33.645 0 9
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   endfacet
   facet normal 0 0 1
     outer loop
-      vertex -39.49 4.83597e-015 9
-      vertex -33.645 4.12019e-015 9
+      vertex -39.49 0 9
+      vertex -33.645 0 9
       vertex -35.675 2.3426 9
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   endfacet
   facet normal 0 0 1
     outer loop
-      vertex -39.49 4.83597e-015 9
+      vertex -39.49 0 9
       vertex -35.675 2.3426 9
       vertex -39.4617 5 9
     endloop
   endfacet
   facet normal 0 0 1
     outer loop
-      vertex -39.49 4.83597e-015 9
+      vertex -39.49 0 9
       vertex -39.4617 5 9
       vertex -39.49 5 9
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   endfacet
   facet normal 1 0 0
     outer loop
-      vertex -39.49 4.83597e-015 9
+      vertex -39.49 0 9
       vertex -39.49 5 9
-      vertex -39.49 4.83597e-015 12
+      vertex -39.49 0 12
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   endfacet
   facet normal 0 0 -1
@@ -2295,7 +2295,7 @@ solid OpenSCAD_Model
       vertex -39.4617 5 9
     endloop
   endfacet
-  facet normal -0.991446 -0.130516 -0
+  facet normal -0.991448 -0.130503 -0
     outer loop
       vertex -39.5 5.29079 5
       vertex -39.4617 5 5
@@ -2309,14 +2309,14 @@ solid OpenSCAD_Model
       vertex -39.5 5.29079 0
     endloop
   endfacet
-  facet normal -0.991451 -0.130477 -0
+  facet normal -0.991443 -0.130541 -0
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       vertex -39.5 5.29079 0
       vertex -39.5 5.29079 5
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   endfacet
-  facet normal -0.991451 -0.130477 0
+  facet normal -0.991443 -0.130541 0
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       vertex -39.5077 5.34926 0
       vertex -39.5 5.29079 5
@@ -2330,7 +2330,7 @@ solid OpenSCAD_Model
       vertex -37.7 5.85 9
     endloop
   endfacet
-  facet normal -0.991447 -0.130509 4.80484e-007
+  facet normal -0.991447 -0.130509 -4.65034e-007
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       vertex -39.5077 5.34926 9
       vertex -39.5 5.29079 5
@@ -2428,48 +2428,83 @@ solid OpenSCAD_Model
       vertex -37.7 5.85 9
     endloop
   endfacet
-  facet normal 0 1 0
+  facet normal 0 -1 -0
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-      vertex -42.9142 5 5.75621
-      vertex -42.9142 5 6.24379
-      vertex -39.5 5 5
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+      vertex -33.645 0 5
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+  facet normal 0 -1 0
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-      vertex -42.9142 5.2553e-015 5.75621
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     outer loop
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+  endfacet
+  facet normal 0 1 0
+    outer loop
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+  endfacet
+  facet normal 0 1 0
+    outer loop
+      vertex -42.9142 5 6.24379
+      vertex -39.49 5 9
+      vertex -39.5 5 5
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+  endfacet
+  facet normal 0 -1 0
+    outer loop
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+      vertex -33.645 0 5
+      vertex -42.9142 0 5.75621
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+  endfacet
+  facet normal -0.973039 0 0.23064
+    outer loop
+      vertex -43.0267 0 5.28177
+      vertex -42.9142 0 5.75621
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+  endfacet
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+    outer loop
+      vertex -43.0267 0 5.28177
+      vertex -42.9142 5 5.75621
+      vertex -43.0267 5 5.28177
+    endloop
+  endfacet
+  facet normal 0 -1 0
+    outer loop
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+      vertex -42.9142 0 6.24379
+      vertex -39.49 0 9
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+  endfacet
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+    outer loop
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+  endfacet
   facet normal 0 1 0
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       vertex -43.0267 5 5.28177
@@ -2484,46 +2519,46 @@ solid OpenSCAD_Model
       vertex -42.9142 5 6.24379
     endloop
   endfacet
-  facet normal -1.22461e-016 -1 2.23718e-022
+  facet normal -0.973039 0 -0.23064
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-      vertex -33.645 4.12019e-015 5
-      vertex -42.9142 5.2553e-015 5.75621
+      vertex -43.0267 5 6.71823
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+      vertex -42.9142 0 6.24379
     endloop
   endfacet
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+  facet normal 0 -1 0
     outer loop
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-      vertex -42.9142 5 5.75621
+      vertex -43.2455 0 4.84604
+      vertex -33.645 0 5
+      vertex -43.0267 0 5.28177
+    endloop
+  endfacet
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+    outer loop
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       vertex -43.0267 5 5.28177
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   endfacet
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   facet normal 0 1 0
@@ -2540,46 +2575,18 @@ solid OpenSCAD_Model
       vertex -43.0267 5 6.71823
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       vertex -43.2455 5 7.15396
       vertex -43.0267 5 6.71823
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   endfacet
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@@ -2589,11 +2596,39 @@ solid OpenSCAD_Model
       vertex -43.2455 5 7.15396
     endloop
   endfacet
-  facet normal -1.22461e-016 -1 4.11623e-022
+  facet normal 0 -1 0
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+      vertex -43.5195 0 7.48051
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@@ -2603,39 +2638,25 @@ solid OpenSCAD_Model
       vertex -43.2455 5 7.15396
     endloop
   endfacet
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+  facet normal 0 -1 0
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@@ -2652,27 +2673,27 @@ solid OpenSCAD_Model
       vertex -39.5 5 5
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   endfacet
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+  facet normal 0 -1 0
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@@ -2680,25 +2701,25 @@ solid OpenSCAD_Model
       vertex -39.5 5 0
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diff --git a/dibond/stls/dust_filter.stl b/dibond/stls/dust_filter.stl
index 26f2362..46c98fe 100644
--- a/dibond/stls/dust_filter.stl
+++ b/dibond/stls/dust_filter.stl
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       vertex 70.0549 3.49998 0
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@@ -11108,17 +9386,24 @@ solid OpenSCAD_Model
       vertex 7 10.7247 14.5628
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-  facet normal 1 1.47297e-007 -2.02815e-006
+  facet normal 1 0 0
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+      vertex 7 10.4837 6.42261
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@@ -11129,24 +9414,17 @@ solid OpenSCAD_Model
       vertex 7 11.2105 14.4798
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-  facet normal 1 5.67034e-007 -3.31997e-006
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+      vertex 7 11.686 4.64961
       vertex 7 11.4389 6.69931
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       vertex 7 11.394 12.6
@@ -11192,6 +9463,20 @@ solid OpenSCAD_Model
       vertex 7 12.5885 13.9572
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+  facet normal 1 0 0
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+      vertex 7 11.4389 6.69931
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+  endfacet
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@@ -11199,13 +9484,6 @@ solid OpenSCAD_Model
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@@ -11356,7 +9634,7 @@ solid OpenSCAD_Model
   facet normal 1 0 0
     outer loop
       vertex 7 13.0505 10.4817
-      vertex 7 13.1528 10.0665
+      vertex 7 13.1698 9.99727
       vertex 7 14.9971 10.9583
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@@ -11381,20 +9659,6 @@ solid OpenSCAD_Model
       vertex 7 13.1698 9.00273
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       vertex 7 13.1698 9.00273
@@ -11423,6 +9687,13 @@ solid OpenSCAD_Model
       vertex 7 15.1862 9.99222
     endloop
   endfacet
+  facet normal 1 0 0
+    outer loop
+      vertex 7 13.1698 9.99727
+      vertex 7 15.115 10.4798
+      vertex 7 14.9971 10.9583
+    endloop
+  endfacet
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@@ -11437,67 +9708,39 @@ solid OpenSCAD_Model
       vertex 7 15.21 9.5
     endloop
   endfacet
-  facet normal 1 -0 0
+  facet normal 1 0 0
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       vertex 7 13.21 9.5
       vertex 7 15.21 9.5
       vertex 7 15.1862 9.99222
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+  facet normal 1 0 0
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-      vertex 7 7.01 10.7577
-      vertex 7 7.48991 11.1568
       vertex 7 7.01 13.5494
+      vertex 7 7.10008 10.2419
+      vertex 7 7.25807 10.7151
+    endloop
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   facet normal 1 0 0
@@ -11521,118 +9764,69 @@ solid OpenSCAD_Model
       vertex 7 7.01347 13.5523
     endloop
   endfacet
+  facet normal 0 1 -0
+    outer loop
+      vertex 7 7.01 5.45058
+      vertex 35.9927 7.01 17
+      vertex 35.9927 7.01 0
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       vertex 7 7.01 5.45058
-      vertex 7 7.01 5.72012
-      vertex 35.9927 7.01 0
+      vertex 7 7.01 13.5494
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       vertex 7 7.01 5.45058
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@@ -11647,11 +9841,11 @@ solid OpenSCAD_Model
       vertex 7 7.41903 13.8323
     endloop
   endfacet
-  facet normal 1 -1.91176e-007 -2.76966e-007
+  facet normal 1 0 0
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@@ -11661,11 +9855,18 @@ solid OpenSCAD_Model
       vertex 7 7.84972 14.0718
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   endfacet
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+  facet normal 1 0 0
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       vertex 7 7.41903 5.16771
       vertex 7 7.84972 4.92822
-      vertex 7 12.5885 5.04276
+      vertex 7 8.56001 6.81532
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+      vertex 7 7.41903 5.16771
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@@ -11682,11 +9883,18 @@ solid OpenSCAD_Model
       vertex 7 8.30151 14.2686
     endloop
   endfacet
-  facet normal 1 -1.90669e-007 -4.37705e-007
+  facet normal 1 0 0
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       vertex 7 7.84972 4.92822
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-      vertex 7 12.5885 5.04276
+      vertex 7 9.01073 6.60146
+    endloop
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@@ -11696,11 +9904,11 @@ solid OpenSCAD_Model
       vertex 7 8.77019 14.4209
     endloop
   endfacet
-  facet normal 1 -1.81818e-007 -5.59577e-007
+  facet normal 1 0 0
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@@ -11710,11 +9918,18 @@ solid OpenSCAD_Model
       vertex 7 9.25138 14.5272
     endloop
   endfacet
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+  facet normal 1 0 0
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       vertex 7 8.77019 4.57913
       vertex 7 9.25138 4.4728
-      vertex 7 12.5885 5.04276
+      vertex 7 9.48993 6.46266
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@@ -11738,41 +9953,34 @@ solid OpenSCAD_Model
       vertex 7 9.25138 14.5272
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   endfacet
-  facet normal 1 -1.18745e-007 -9.77962e-007
+  facet normal 1 0 0
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+  facet normal 1 0 0
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diff --git a/dibond/stls/printed/atx_brackets.stl b/dibond/stls/printed/atx_brackets.stl
index d596420..ecbc744 100644
--- a/dibond/stls/printed/atx_brackets.stl
+++ b/dibond/stls/printed/atx_brackets.stl
@@ -1312,7 +1312,7 @@ solid OpenSCAD_Model
     outer loop
       vertex -57.1593 -0.0222931 5
       vertex 33.1593 -0.0222931 5
-      vertex 33.645 -8.24038e-015 5
+      vertex 33.645 0 5
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   endfacet
   facet normal 0 0 1
@@ -1410,7 +1410,7 @@ solid OpenSCAD_Model
     outer loop
       vertex -57.645 -0.00108337 5
       vertex -57.1593 -0.0222931 5
-      vertex -57.645 1.41185e-014 5
+      vertex -57.645 0 5
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   facet normal 0.0436238 0.999048 0
@@ -1420,10 +1420,10 @@ solid OpenSCAD_Model
       vertex -57.1593 -0.0222931 5
     endloop
   endfacet
-  facet normal 0.999994 -0.0035211 0
+  facet normal 1 0 0
     outer loop
       vertex -57.645 -0.00108337 5
-      vertex -57.645 1.41185e-014 5
+      vertex -57.645 0 5
       vertex -57.645 -0.00108337 9
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   endfacet
@@ -1441,25 +1441,25 @@ solid OpenSCAD_Model
       vertex -57.1593 -0.0222931 5
     endloop
   endfacet
-  facet normal 0.999994 -0.0035211 0
+  facet normal 1 -0 0
     outer loop
       vertex -57.645 -0.00108337 9
-      vertex -57.645 1.41185e-014 5
-      vertex -57.645 1.41185e-014 9
+      vertex -57.645 0 5
+      vertex -57.645 0 9
     endloop
   endfacet
-  facet normal 0 0 1
+  facet normal -0 0 1
     outer loop
-      vertex -57.645 1.41185e-014 5
+      vertex -57.645 0 5
       vertex -57.1593 -0.0222931 5
-      vertex 33.645 -8.24038e-015 5
+      vertex 33.645 0 5
     endloop
   endfacet
-  facet normal 2.44921e-016 1 1.21987e-022
+  facet normal 0 1 0
     outer loop
-      vertex -57.645 1.41185e-014 5
-      vertex 33.645 -8.24038e-015 5
-      vertex 50.99 -1.24885e-014 0
+      vertex -57.645 0 5
+      vertex 33.645 0 5
+      vertex 50.99 0 0
     endloop
   endfacet
   facet normal 0.0436095 -0.999049 0
@@ -1514,7 +1514,7 @@ solid OpenSCAD_Model
   facet normal 0 0 -1
     outer loop
       vertex -58.0739 -3.4459 0
-      vertex 50.99 -1.24885e-014 0
+      vertex 50.99 0 0
       vertex 33.2261 -3.4459 0
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   endfacet
@@ -1935,7 +1935,7 @@ solid OpenSCAD_Model
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       vertex -57.645 -0.00108337 9
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   endfacet
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@@ -2452,41 +2452,41 @@ solid OpenSCAD_Model
   facet normal 1 -0 0
     outer loop
       vertex -63.49 -5 22
-      vertex -63.49 1.55501e-014 9
-      vertex -63.49 1.55501e-014 22
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     outer loop
       vertex -63.49 -5 9
       vertex -63.4617 -5 9
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   facet normal 1 0 0
     outer loop
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   endfacet
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+      vertex -63.49 0 9
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@@ -3310,11 +3310,11 @@ solid OpenSCAD_Model
       vertex -63.49 -5 22
     endloop
   endfacet
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+  facet normal 0 1 -0
     outer loop
-      vertex -66.9 1.63852e-014 16
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   endfacet
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@@ -3328,14 +3328,14 @@ solid OpenSCAD_Model
     outer loop
       vertex -66.9566 -5 15.5157
       vertex -66.9 -5 16
-      vertex -66.9 1.63852e-014 16
+      vertex -66.9 0 16
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+      vertex -66.9 0 16
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   endfacet
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@@ -3348,28 +3348,28 @@ solid OpenSCAD_Model
   facet normal -0.993237 -0 -0.116104
     outer loop
       vertex -66.9566 -5 16.4843
-      vertex -66.9566 1.63991e-014 16.4843
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   endfacet
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+  facet normal 0 1 0
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+      vertex -66.9566 0 16.4843
+      vertex -66.9 0 16
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   endfacet
@@ -3384,14 +3384,14 @@ solid OpenSCAD_Model
     outer loop
       vertex -67.1234 -5 15.0575
       vertex -66.9566 -5 15.5157
-      vertex -66.9566 1.63991e-014 15.5157
+      vertex -66.9566 0 15.5157
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       vertex -67.1234 -5 15.0575
-      vertex -66.9566 1.63991e-014 15.5157
-      vertex -67.1234 1.64399e-014 15.0575
+      vertex -66.9566 0 15.5157
+      vertex -67.1234 0 15.0575
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   endfacet
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@@ -3404,28 +3404,28 @@ solid OpenSCAD_Model
   facet normal -0.939696 -0 -0.342012
     outer loop
       vertex -67.1234 -5 16.9425
-      vertex -67.1234 1.64399e-014 16.9425
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       vertex -66.9566 -5 16.4843
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   endfacet
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+  facet normal 0 1 0
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   endfacet
-  facet normal 2.44921e-016 1 -9.50727e-023
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     outer loop
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-      vertex -63.49 1.55501e-014 22
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   endfacet
@@ -3440,14 +3440,14 @@ solid OpenSCAD_Model
     outer loop
       vertex -67.3913 -5 14.6501
       vertex -67.1234 -5 15.0575
-      vertex -67.1234 1.64399e-014 15.0575
+      vertex -67.1234 0 15.0575
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     outer loop
       vertex -67.3913 -5 14.6501
-      vertex -67.1234 1.64399e-014 15.0575
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+      vertex -67.1234 0 15.0575
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   endfacet
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@@ -3460,28 +3460,28 @@ solid OpenSCAD_Model
   facet normal -0.835496 -0 -0.549497
     outer loop
       vertex -67.3913 -5 17.3499
-      vertex -67.3913 1.65056e-014 17.3499
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       vertex -67.1234 -5 16.9425
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+  facet normal 0 1 0
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-      vertex -63.49 1.55501e-014 22
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   endfacet
@@ -3492,11 +3492,11 @@ solid OpenSCAD_Model
       vertex -63.49 -5 22
     endloop
   endfacet
-  facet normal 2.44925e-016 1 -2.9686e-021
+  facet normal 0 1 0
     outer loop
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-      vertex -63.49 1.55501e-014 22
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+      vertex -67.5151 0 17.4849
+      vertex -63.49 0 22
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   endfacet
   facet normal 0 -1 0
@@ -3509,7 +3509,7 @@ solid OpenSCAD_Model
   facet normal -0.686266 0 -0.72735
     outer loop
       vertex -67.5245 -5 17.4755
-      vertex -67.3913 1.65056e-014 17.3499
+      vertex -67.3913 0 17.3499
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@@ -3517,28 +3517,28 @@ solid OpenSCAD_Model
     outer loop
       vertex -67.5245 -5 17.4755
       vertex -67.5151 -5 17.4849
-      vertex -67.5151 1.65359e-014 17.4849
+      vertex -67.5151 0 17.4849
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     outer loop
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-      vertex -67.5245 1.65382e-014 17.4755
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   endfacet
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   endfacet
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@@ -3706,21 +3706,21 @@ solid OpenSCAD_Model
     outer loop
       vertex -67.746 -5 14.3156
       vertex -67.3913 -5 14.6501
-      vertex -67.746 1.65924e-014 14.3156
+      vertex -67.746 0 14.3156
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     outer loop
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@@ -3733,21 +3733,21 @@ solid OpenSCAD_Model
   facet normal -0.707107 -0 -0.707107
     outer loop
       vertex -68.1302 -5 18.1
-      vertex -68.1302 1.66865e-014 18.1
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+  facet normal 0 1 0
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-      vertex -63.49 1.55501e-014 22
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+      vertex -68.1302 0 18.1
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@@ -3762,21 +3762,21 @@ solid OpenSCAD_Model
     outer loop
       vertex -68.1682 -5 14.0717
       vertex -67.746 -5 14.3156
-      vertex -68.1682 1.66959e-014 14.0717
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     outer loop
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+      vertex -67.746 0 14.3156
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   endfacet
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@@ -3790,21 +3790,21 @@ solid OpenSCAD_Model
     outer loop
       vertex -68.6353 -5 13.9319
       vertex -68.1682 -5 14.0717
-      vertex -68.6353 1.68103e-014 13.9319
+      vertex -68.6353 0 13.9319
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   endfacet
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   endfacet
   facet normal 0 -1 0
@@ -3825,21 +3825,21 @@ solid OpenSCAD_Model
     outer loop
       vertex -69.1221 -5 13.9036
       vertex -68.6353 -5 13.9319
-      vertex -69.1221 1.69295e-014 13.9036
+      vertex -69.1221 0 13.9036
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   endfacet
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@@ -3853,21 +3853,21 @@ solid OpenSCAD_Model
     outer loop
       vertex -69.6023 -5 13.9882
       vertex -69.1221 -5 13.9036
-      vertex -69.6023 1.70471e-014 13.9882
+      vertex -69.6023 0 13.9882
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   endfacet
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   endfacet
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@@ -3880,77 +3880,77 @@ solid OpenSCAD_Model
   facet normal 0 0 -1
     outer loop
       vertex -69.8698 -5 18.1
-      vertex -68.1302 1.66865e-014 18.1
+      vertex -68.1302 0 18.1
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@@ -3958,14 +3958,14 @@ solid OpenSCAD_Model
     outer loop
       vertex -70.7545 -5 14.846
       vertex -70.4411 -5 14.4725
-      vertex -70.4411 1.72525e-014 14.4725
+      vertex -70.4411 0 14.4725
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+      vertex -70.4411 0 14.4725
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@@ -3978,49 +3978,49 @@ solid OpenSCAD_Model
   facet normal 0.766055 0 -0.642776
     outer loop
       vertex -70.7545 -5 17.154
-      vertex -70.7545 1.73293e-014 17.154
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       vertex 46.6087 -5 7.34985
-      vertex 46.6087 -1.14155e-014 7.34985
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@@ -8315,39 +8294,39 @@ solid OpenSCAD_Model
       vertex 50.99 -5 12
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+  facet normal 0 1 0
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       vertex 46.8766 -5 6.94247
-      vertex 46.8766 -1.14811e-014 6.94247
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@@ -8371,39 +8350,39 @@ solid OpenSCAD_Model
       vertex 50.99 -5 12
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+  facet normal 0 1 0
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       vertex 47.0434 -5 6.48428
-      vertex 47.0434 -1.15219e-014 6.48428
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@@ -8427,11 +8406,25 @@ solid OpenSCAD_Model
       vertex 50.99 -5 12
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@@ -8441,18 +8434,25 @@ solid OpenSCAD_Model
       vertex 50.99 -5 12
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   endfacet
+  facet normal 0 1 -0
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+      vertex 47.1 0 6
+      vertex 50.99 0 12
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+      vertex 50.99 0 0
+      vertex 50.99 0 12
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 endsolid OpenSCAD_Model
diff --git a/dibond/stls/printed/bar_clamps.stl b/dibond/stls/printed/bar_clamps.stl
index e069731..aaaaa71 100644
--- a/dibond/stls/printed/bar_clamps.stl
+++ b/dibond/stls/printed/bar_clamps.stl
@@ -573,46 +573,25 @@ solid OpenSCAD_Model
       vertex 7 -33.8227 5.12501
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@@ -622,95 +601,60 @@ solid OpenSCAD_Model
       vertex 7 -9 13
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+  facet normal 0.195097 -0.980784 0
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@@ -800,7 +730,7 @@ solid OpenSCAD_Model
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-      vertex 4 -6.00865e-016 10
+      vertex 4 0 10
       vertex 4 -32.99 10
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@@ -814,7 +744,7 @@ solid OpenSCAD_Model
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-      vertex -11 3.0124e-015 3
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@@ -836,14 +766,14 @@ solid OpenSCAD_Model
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@@ -863,7 +793,7 @@ solid OpenSCAD_Model
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-      vertex -11 3.90493e-015 7.01961
+      vertex -11 0 7.01961
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@@ -874,6 +804,20 @@ solid OpenSCAD_Model
       vertex -9.65 -36 9.35788
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   endfacet
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@@ -1049,13 +993,6 @@ solid OpenSCAD_Model
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       vertex -6 35.99 6.55
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+      vertex -14 43 0
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@@ -2470,6 +2372,13 @@ solid OpenSCAD_Model
       vertex -11 27.1489 6.24887
     endloop
   endfacet
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+    outer loop
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+  endfacet
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@@ -2477,6 +2386,13 @@ solid OpenSCAD_Model
       vertex -14 27.3227 6.07499
     endloop
   endfacet
+  facet normal -1 0 0
+    outer loop
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     outer loop
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@@ -2649,7 +2565,7 @@ solid OpenSCAD_Model
     outer loop
       vertex -14 35.525 4.77728
       vertex -14 36 4.65
-      vertex -14 43 9.53674e-007
+      vertex -14 43 0
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@@ -2698,7 +2614,7 @@ solid OpenSCAD_Model
     outer loop
       vertex -14 36 4.65
       vertex -14 36.475 4.77728
-      vertex -14 43 9.53674e-007
+      vertex -14 43 0
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       vertex -6 36.3935 6.55
     endloop
   endfacet
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+  facet normal -1 0 0
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@@ -2733,7 +2649,7 @@ solid OpenSCAD_Model
     outer loop
       vertex -14 36.475 4.77728
       vertex -14 36.8227 5.12501
-      vertex -14 43 9.53674e-007
+      vertex -14 43 0
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       vertex -14 36.6717 6.27174
     endloop
   endfacet
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+  facet normal -1 0 0
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@@ -2803,7 +2719,7 @@ solid OpenSCAD_Model
     outer loop
       vertex -14 36.8227 5.12501
       vertex -14 36.95 5.6
-      vertex -14 43 9.53674e-007
+      vertex -14 43 0
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       vertex -6 36.8227 6.07499
     endloop
   endfacet
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+  facet normal -1 0 0
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       vertex -6 36.6489 6.24887
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   endfacet
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       vertex -14 43 13
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@@ -2855,6 +2771,41 @@ solid OpenSCAD_Model
       vertex -6 36.8227 6.07499
     endloop
   endfacet
+  facet normal 0 0 -1
+    outer loop
+      vertex -14 43 0
+      vertex -10.8603 41.401 0
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+  endfacet
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+      vertex -14 43 13
+      vertex -13.9734 43.6101 13
+    endloop
+  endfacet
   facet normal 0 0 1
     outer loop
       vertex -14 43 13
@@ -2876,53 +2827,18 @@ solid OpenSCAD_Model
       vertex -10.8603 41.401 13
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+  facet normal 0 1 -0
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-      vertex -14 12 1.9984e-015
+      vertex -14 12 0
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   endfacet
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@@ -2971,14 +2887,14 @@ solid OpenSCAD_Model
     outer loop
       vertex -16.3038 -5 6.00557
       vertex -16.25 -5 6.5
-      vertex -16.25 5.59821e-015 6.5
+      vertex -16.25 0 6.5
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+      vertex -16.25 0 6.5
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   endfacet
   facet normal 0 -1 0
@@ -2991,28 +2907,28 @@ solid OpenSCAD_Model
   facet normal -0.994138 -0 -0.108118
     outer loop
       vertex -16.3038 -5 6.99443
-      vertex -16.3038 5.72652e-015 6.99443
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-      vertex -16.3038 5.72652e-015 6.99443
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+      vertex -16.3038 0 6.99443
+      vertex -16.25 0 6.5
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   endfacet
@@ -3083,14 +2999,14 @@ solid OpenSCAD_Model
     outer loop
       vertex -16.4626 -5 5.53426
       vertex -16.3038 -5 6.00557
-      vertex -16.3038 5.50695e-015 6.00557
+      vertex -16.3038 0 6.00557
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     outer loop
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-      vertex -16.3038 5.50695e-015 6.00557
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+      vertex -16.3038 0 6.00557
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   endfacet
   facet normal 0 -1 0
@@ -3103,59 +3019,66 @@ solid OpenSCAD_Model
   facet normal -0.947657 -0 -0.319291
     outer loop
       vertex -16.4626 -5 7.46574
-      vertex -16.4626 5.88588e-015 7.46574
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       vertex -16.3038 -5 6.99443
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+  facet normal 0 1 -0
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-      vertex -16.4626 5.45701e-015 5.53426
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+      vertex -16.4626 0 5.53426
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+  facet normal 0 1 0
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+  facet normal 0 1 0
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       vertex -16.3038 -5 6.99443
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+    outer loop
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+      vertex -14.4 -9 6.5
+    endloop
+  endfacet
   facet normal 0 -1 0
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       vertex -16.475 -5 10.094
@@ -3170,31 +3093,24 @@ solid OpenSCAD_Model
       vertex -16.4626 -5 5.53426
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+  facet normal 0 -1 0
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       vertex -14 -9 13
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-  facet normal -0.866025 0 -0.5
+  facet normal -0.866025 -0 -0.5
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       vertex -16.475 -9 2.906
-      vertex -14 -9 9.53674e-007
+      vertex -14 -9 0
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@@ -3212,7 +3128,7 @@ solid OpenSCAD_Model
       vertex -14.4 -5 6.5
     endloop
   endfacet
-  facet normal -1.85685e-007 1 1.58146e-007
+  facet normal 0 1 0
     outer loop
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       vertex -14 12 13
@@ -3230,7 +3146,7 @@ solid OpenSCAD_Model
     outer loop
       vertex -16.475 12 2.906
       vertex -14.4 12 6.5
-      vertex -14 12 1.9984e-015
+      vertex -14 12 0
     endloop
   endfacet
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@@ -3327,15 +3243,15 @@ solid OpenSCAD_Model
   facet normal 1 0 0
     outer loop
       vertex -16.6 -34.8073 16.125
+      vertex -16.6 -30.43 0
       vertex -16.6 -30.43 22.5
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     outer loop
       vertex -16.6 -34.8073 16.125
-      vertex -16.6 -30.43 4.09228e-015
       vertex -16.6 -30.43 22.5
+      vertex -16.6 -34.68 16.6
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   endfacet
   facet normal 1 0 0
@@ -3362,7 +3278,7 @@ solid OpenSCAD_Model
   facet normal 1 -0 0
     outer loop
       vertex -16.6 -35.155 15.7773
-      vertex -16.6 -30.43 4.09228e-015
+      vertex -16.6 -30.43 0
       vertex -16.6 -34.8073 16.125
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@@ -3376,7 +3292,7 @@ solid OpenSCAD_Model
   facet normal 1 -0 0
     outer loop
       vertex -16.6 -35.63 15.65
-      vertex -16.6 -30.43 4.09228e-015
+      vertex -16.6 -30.43 0
       vertex -16.6 -35.155 15.7773
     endloop
   endfacet
@@ -3390,7 +3306,7 @@ solid OpenSCAD_Model
   facet normal 1 0 0
     outer loop
       vertex -16.6 -36.105 15.7773
-      vertex -16.6 -30.43 4.09228e-015
+      vertex -16.6 -30.43 0
       vertex -16.6 -35.63 15.65
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   endfacet
@@ -3460,7 +3376,7 @@ solid OpenSCAD_Model
   facet normal 1 0 0
     outer loop
       vertex -16.6 -44.655 15.7773
-      vertex -16.6 -30.43 4.09228e-015
+      vertex -16.6 -30.43 0
       vertex -16.6 -36.105 15.7773
     endloop
   endfacet
@@ -3499,6 +3415,41 @@ solid OpenSCAD_Model
       vertex -16.6 -45.8017 17.2717
     endloop
   endfacet
+  facet normal 1 0 0
+    outer loop
+      vertex -16.6 -50.23 0
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+    endloop
+  endfacet
   facet normal 1 -0 0
     outer loop
       vertex -16.6 -50.23 22.5
@@ -3541,67 +3492,18 @@ solid OpenSCAD_Model
       vertex -16.6 -45.9527 17.075
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     outer loop
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+      vertex -16.4626 0 5.53426
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@@ -3621,28 +3523,28 @@ solid OpenSCAD_Model
   facet normal -0.856853 -0 -0.51556
     outer loop
       vertex -16.719 -5 7.89189
-      vertex -16.719 6.06884e-015 7.89189
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+  facet normal 0 1 0
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@@ -3709,6 +3611,13 @@ solid OpenSCAD_Model
       vertex -16.475 -5 10.094
     endloop
   endfacet
+  facet normal 0 1 -0
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+      vertex -11 0 10
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     outer loop
       vertex -16.9326 -5 8.1174
       vertex -16.9237 -5 8.12634
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+      vertex -16.9237 0 8.12634
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+      vertex -17 -21 0
       vertex -17 -12 0
       vertex -17 -21 13
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@@ -3828,20 +3730,20 @@ solid OpenSCAD_Model
       vertex -17 -12 13
     endloop
   endfacet
+  facet normal 1 0 0
+    outer loop
+      vertex -17 15 0
+      vertex -17 24 0
+      vertex -17 15 13
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+      vertex -17 24 0
       vertex -17 24 13
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     outer loop
       vertex -17.061 -5 4.74704
       vertex -16.719 -5 5.10811
-      vertex -16.719 5.45072e-015 5.10811
+      vertex -16.719 0 5.10811
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+      vertex -17.061 0 4.74704
+      vertex -16.719 0 5.10811
+      vertex -11 0 3
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       vertex -17.4727 -5 4.46793
       vertex -17.061 -5 4.74704
-      vertex -17.4727 5.56821e-015 4.46793
+      vertex -17.4727 0 4.46793
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+      vertex -17.4727 0 4.46793
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+      vertex -11 0 3
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   endfacet
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@@ -3936,7 +3838,21 @@ solid OpenSCAD_Model
   facet normal -0.707107 -0 -0.707107
     outer loop
       vertex -17.5973 -5 8.79999
-      vertex -17.5973 6.57306e-015 8.79999
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+  endfacet
+  facet normal 0 1 0
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+      vertex -11 0 10
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+  endfacet
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+    outer loop
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       vertex -16.9237 -5 8.12634
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   endfacet
@@ -3954,20 +3870,6 @@ solid OpenSCAD_Model
       vertex -16.9237 3 8.12634
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     outer loop
       vertex -17.9347 -5 4.28384
       vertex -17.4727 -5 4.46793
-      vertex -17.9347 5.68651e-015 4.28384
+      vertex -17.9347 0 4.28384
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+      vertex -17.9347 0 4.28384
+      vertex -17.4727 0 4.46793
+      vertex -11 0 3
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   endfacet
   facet normal 0 -1 0
@@ -4077,21 +3979,21 @@ solid OpenSCAD_Model
     outer loop
       vertex -18.4255 -5 4.20338
       vertex -17.9347 -5 4.28384
-      vertex -18.4255 5.83773e-015 4.20338
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+      vertex -11 0 3
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   endfacet
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@@ -4119,14 +4021,14 @@ solid OpenSCAD_Model
     outer loop
       vertex -18.9221 -5 4.2303
       vertex -18.4255 -5 4.20338
-      vertex -18.9221 6.01478e-015 4.2303
+      vertex -18.9221 0 4.2303
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@@ -4147,14 +4049,14 @@ solid OpenSCAD_Model
     outer loop
       vertex -19.4013 -5 4.36336
       vertex -18.9221 -5 4.2303
-      vertex -19.4013 6.20942e-015 4.36336
+      vertex -19.4013 0 4.36336
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+      vertex -18.9221 0 4.2303
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   facet normal 0 0 -1
     outer loop
       vertex -19.5027 -5 8.79999
-      vertex -17.5973 6.57306e-015 8.79999
+      vertex -17.5973 0 8.79999
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+      vertex -19.5027 0 8.79999
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@@ -4210,14 +4112,14 @@ solid OpenSCAD_Model
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       vertex -19.8407 -5 4.59633
       vertex -19.4013 -5 4.36336
-      vertex -19.8407 6.41253e-015 4.59633
+      vertex -19.8407 0 4.59633
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@@ -4290,6 +4192,62 @@ solid OpenSCAD_Model
       vertex -0.679108 39 6.99303
     endloop
   endfacet
+  facet normal 0 1 0
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+  endfacet
   facet normal 0 1 -0
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@@ -4332,104 +4290,48 @@ solid OpenSCAD_Model
       vertex 1.72485 43 8.25
     endloop
   endfacet
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@@ -4448,20 +4350,27 @@ solid OpenSCAD_Model
     outer loop
       vertex -20.1763 -5 8.12634
       vertex -20.1721 -5 8.12215
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+      vertex -20.1721 0 8.12215
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@@ -4504,7 +4406,7 @@ solid OpenSCAD_Model
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       vertex -20.2198 -5 4.9183
       vertex -19.8407 -5 4.59633
-      vertex -20.2198 6.61461e-015 4.9183
+      vertex -20.2198 0 4.9183
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@@ -4517,35 +4419,35 @@ solid OpenSCAD_Model
   facet normal 0.647266 0 -0.762265
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       vertex -20.2198 -5 8.0817
-      vertex -20.1721 7.3096e-015 8.12215
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@@ -4553,7 +4455,7 @@ solid OpenSCAD_Model
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       vertex -20.3 24 6.5
       vertex -17 24 13
-      vertex -17 24 9.53674e-007
+      vertex -17 24 0
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@@ -4602,27 +4504,27 @@ solid OpenSCAD_Model
     outer loop
       vertex -20.5208 -5 5.31424
       vertex -20.2198 -5 4.9183
-      vertex -20.2198 6.61461e-015 4.9183
+      vertex -20.2198 0 4.9183
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@@ -4727,7 +4629,7 @@ solid OpenSCAD_Model
   facet normal 0 -1 0
     outer loop
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-      vertex -14 -9 9.53674e-007
+      vertex -14 -9 0
       vertex -16.475 -9 2.906
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@@ -4742,14 +4644,14 @@ solid OpenSCAD_Model
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       vertex -20.625 12 10.094
       vertex -14 12 13
-      vertex -16.6825 12 10.094
+      vertex -16.475 12 10.094
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@@ -4759,6 +4661,13 @@ solid OpenSCAD_Model
       vertex -16.475 12 2.906
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       vertex -20.625 12 10.094
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+      vertex -20.5208 0 5.31424
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       vertex -20.8365 -5 6.25133
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@@ -5042,15 +4923,15 @@ solid OpenSCAD_Model
   facet normal 0 -1 0
     outer loop
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       vertex -17 15 13
+      vertex -22.1635 15 6.74867
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-      vertex -17 15 9.53674e-007
+      vertex -17 15 0
       vertex -22.1635 15 6.25133
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+  facet normal 0 -1 0
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   facet normal 0 -1 0
     outer loop
       vertex -22.375 -21 2.906
-      vertex -17 -21 1.9984e-015
-      vertex -21.3389 -21 4.70051
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+  endfacet
   facet normal -0.866025 -0 -0.5
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     outer loop
       vertex -22.375 24 2.906
       vertex -20.3 24 6.5
-      vertex -17 24 9.53674e-007
+      vertex -17 24 0
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@@ -5550,6 +5431,13 @@ solid OpenSCAD_Model
       vertex -20.625 8 10.094
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   endfacet
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+  endfacet
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+  facet normal 0.866025 0 0.5
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-      vertex -17 15 9.53674e-007
+      vertex -17 15 0
       vertex -22.4792 15 5.31424
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-      vertex -17 15 9.53674e-007
+      vertex -17 15 0
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@@ -5949,11 +5830,18 @@ solid OpenSCAD_Model
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       vertex -23.6 -40.33 0.0100002
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@@ -6607,6 +6488,69 @@ solid OpenSCAD_Model
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   endfacet
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-      vertex -17 15 9.53674e-007
+      vertex -17 15 0
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-      vertex -17 15 9.53674e-007
+      vertex -17 15 0
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       vertex -29 -21 13
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       vertex -33.25 50.33 6.5
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-      vertex -29 50.33 9.53674e-007
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       vertex -33.25 43.33 6.5
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       vertex -33.25 50.33 6.5
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       vertex -33.5278 43.33 5.55388
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     outer loop
       vertex -33.5278 44.83 5.55388
-      vertex -29 44.83 9.53674e-007
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       vertex -34.273 43.33 4.90816
       vertex -33.854 43.33 5.17744
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       vertex -34.273 50.33 4.90816
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@@ -9988,6 +9806,27 @@ solid OpenSCAD_Model
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   endfacet
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       vertex -34.401 -44.1903 13
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@@ -10303,6 +10121,27 @@ solid OpenSCAD_Model
       vertex -35.249 50.33 4.76782
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       vertex 7 50 13
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       vertex -0.999999 -32.99 4.65268
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   endfacet
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       vertex -29 50.33 13
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       vertex -32 -33.32 3
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       vertex -42.25 -41.83 6.5
       vertex -39.88 -41.83 13
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   facet normal 0 -1 0
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       vertex -42.5278 -41.83 5.55388
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   facet normal 0 -1 0
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@@ -11950,16 +11768,37 @@ solid OpenSCAD_Model
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       vertex -43.273 -41.83 4.90816
       vertex -42.854 -41.83 5.17744
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@@ -12147,7 +11965,7 @@ solid OpenSCAD_Model
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+      vertex -36 -47.33 0
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@@ -12214,6 +12032,20 @@ solid OpenSCAD_Model
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@@ -12225,21 +12057,7 @@ solid OpenSCAD_Model
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   facet normal 0 -1 0
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       vertex -43.751 -41.83 4.76782
       vertex -43.273 -41.83 4.90816
-      vertex -39.88 -41.83 9.53674e-007
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   facet normal 0 -1 0
     outer loop
       vertex -43.751 -47.33 4.76782
-      vertex -36 -47.33 9.53674e-007
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@@ -12298,6 +12116,20 @@ solid OpenSCAD_Model
       vertex -43.751 -41.83 4.76782
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   endfacet
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     outer loop
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   facet normal 0 -1 0
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       vertex -44.249 -41.83 4.76782
       vertex -43.751 -41.83 4.76782
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@@ -12487,11 +12305,25 @@ solid OpenSCAD_Model
       vertex -44.727 -41.83 4.90816
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   endfacet
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       vertex -44.7249 -47.33 8.25
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   endfacet
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+  endfacet
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       vertex -45.6791 -47.33 6.99303
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   endfacet
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@@ -13159,13 +12984,6 @@ solid OpenSCAD_Model
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@@ -13222,6 +13040,27 @@ solid OpenSCAD_Model
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@@ -13376,6 +13194,20 @@ solid OpenSCAD_Model
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     outer loop
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   endfacet
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     outer loop
       vertex -58.2704 3 5.76561
-      vertex -53 3 9.53674e-007
+      vertex -53 3 0
       vertex -58.1635 3 6.25133
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@@ -16124,14 +15921,14 @@ solid OpenSCAD_Model
     outer loop
       vertex -58.3626 -5 5.53426
       vertex -58.2038 -5 6.00557
-      vertex -58.2038 1.11246e-014 6.00557
+      vertex -58.2038 0 6.00557
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     outer loop
       vertex -58.3626 -5 5.53426
-      vertex -58.2038 1.11246e-014 6.00557
-      vertex -58.3626 1.10746e-014 5.53426
+      vertex -58.2038 0 6.00557
+      vertex -58.3626 0 5.53426
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   endfacet
   facet normal 0 -1 0
@@ -16144,28 +15941,28 @@ solid OpenSCAD_Model
   facet normal -0.947657 -0 -0.319291
     outer loop
       vertex -58.3626 -5 7.46574
-      vertex -58.3626 1.15035e-014 7.46574
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       vertex -58.2038 -5 6.99443
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   endfacet
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+  facet normal 0 1 0
     outer loop
-      vertex -58.3626 1.10746e-014 5.53426
-      vertex -58.2038 1.11246e-014 6.00557
-      vertex -53 7.99832e-015 0
+      vertex -58.3626 0 5.53426
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   endfacet
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+  facet normal 0 1 0
     outer loop
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-      vertex -53 1.08849e-014 13
-      vertex -58.2038 1.13441e-014 6.99443
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     outer loop
-      vertex -58.3626 1.15035e-014 7.46574
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+      vertex -58.3626 0 7.46574
+      vertex -58.2038 0 6.99443
       vertex -58.2038 -5 6.99443
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   endfacet
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       vertex -58.3626 -5 5.53426
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   endfacet
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-  endfacet
   facet normal 0 -1 0
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@@ -16214,18 +16004,25 @@ solid OpenSCAD_Model
   facet normal 0 -1 0
     outer loop
       vertex -58.375 -9 2.906
-      vertex -53 -9 1.9984e-015
-      vertex -57.3389 -9 4.70051
+      vertex -53 -9 0
+      vertex -56.3 -9 6.5
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   endfacet
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+  facet normal -0.866025 0 0.5
     outer loop
       vertex -58.375 -9 2.906
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+      vertex -56.3 -5 6.5
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   endfacet
-  facet normal -1.09334e-007 1 2.02227e-007
+  facet normal -0.866025 0 0.5
+    outer loop
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+      vertex -56.3 -9 6.5
+      vertex -56.3 -5 6.5
+    endloop
+  endfacet
+  facet normal 0 1 0
     outer loop
       vertex -58.375 12 10.094
       vertex -53 12 13
@@ -16243,7 +16040,7 @@ solid OpenSCAD_Model
     outer loop
       vertex -58.375 12 2.906
       vertex -56.3 12 6.5
-      vertex -53 12 9.53674e-007
+      vertex -53 12 0
     endloop
   endfacet
   facet normal -0.866025 -0 -0.5
@@ -16270,7 +16067,7 @@ solid OpenSCAD_Model
   facet normal 0 -1 0
     outer loop
       vertex -58.4792 3 5.31424
-      vertex -53 3 9.53674e-007
+      vertex -53 3 0
       vertex -58.2704 3 5.76561
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   endfacet
@@ -16341,14 +16138,14 @@ solid OpenSCAD_Model
     outer loop
       vertex -58.619 -5 5.10811
       vertex -58.3626 -5 5.53426
-      vertex -58.3626 1.10746e-014 5.53426
+      vertex -58.3626 0 5.53426
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     outer loop
       vertex -58.619 -5 5.10811
-      vertex -58.3626 1.10746e-014 5.53426
-      vertex -58.619 1.10683e-014 5.10811
+      vertex -58.3626 0 5.53426
+      vertex -58.619 0 5.10811
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   endfacet
   facet normal 0 -1 0
@@ -16368,28 +16165,28 @@ solid OpenSCAD_Model
   facet normal -0.856853 -0 -0.51556
     outer loop
       vertex -58.619 -5 7.89189
-      vertex -58.619 1.16864e-014 7.89189
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       vertex -58.3626 -5 7.46574
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   endfacet
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+  facet normal 0 1 0
     outer loop
-      vertex -58.619 1.10683e-014 5.10811
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-      vertex -53 7.99832e-015 0
+      vertex -58.619 0 5.10811
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   endfacet
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+  facet normal 0 1 0
     outer loop
-      vertex -58.619 1.16864e-014 7.89189
-      vertex -53 1.08849e-014 13
-      vertex -58.3626 1.15035e-014 7.46574
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     outer loop
-      vertex -58.619 1.16864e-014 7.89189
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+      vertex -58.619 0 7.89189
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       vertex -58.3626 -5 7.46574
     endloop
   endfacet
@@ -16477,11 +16274,18 @@ solid OpenSCAD_Model
       vertex -56.6374 20 7.46574
     endloop
   endfacet
-  facet normal 0.866025 -3.53692e-007 0.5
+  facet normal 0.866025 0 0.5
     outer loop
       vertex -58.7 20 6.5
       vertex -56.625 20 2.906
-      vertex -57.6611 24 4.70051
+      vertex -56.625 24 2.906
+    endloop
+  endfacet
+  facet normal 0.866025 -0 0.5
+    outer loop
+      vertex -58.7 20 6.5
+      vertex -56.625 24 2.906
+      vertex -58.7 24 6.5
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   endfacet
   facet normal 0 1 0
@@ -16519,13 +16323,6 @@ solid OpenSCAD_Model
       vertex -56.7962 20 6.00557
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   endfacet
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-  endfacet
   facet normal 0.866025 0 -0.5
     outer loop
       vertex -58.7 20 6.5
@@ -16543,7 +16340,7 @@ solid OpenSCAD_Model
   facet normal 0 -1 0
     outer loop
       vertex -58.7802 3 4.9183
-      vertex -53 3 9.53674e-007
+      vertex -53 3 0
       vertex -58.4792 3 5.31424
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@@ -16603,11 +16400,11 @@ solid OpenSCAD_Model
       vertex -58.375 -5 10.094
     endloop
   endfacet
-  facet normal 3.44506e-016 1 -2.22045e-016
+  facet normal 0 1 -0
     outer loop
-      vertex -58.8237 1.1809e-014 8.12634
-      vertex -53 1.08849e-014 13
-      vertex -58.619 1.16864e-014 7.89189
+      vertex -58.8237 0 8.12634
+      vertex -53 0 13
+      vertex -58.619 0 7.89189
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   endfacet
   facet normal 0 -1 0
@@ -16677,35 +16474,35 @@ solid OpenSCAD_Model
     outer loop
       vertex -58.8326 -5 8.1174
       vertex -58.8237 -5 8.12634
-      vertex -58.8237 1.1809e-014 8.12634
+      vertex -58.8237 0 8.12634
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     outer loop
       vertex -58.8326 -5 8.1174
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-      vertex -58.8326 1.18101e-014 8.1174
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     outer loop
       vertex -58.8326 -5 8.1174
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     outer loop
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       vertex -58.619 -5 7.89189
     endloop
   endfacet
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+  facet normal 0 1 0
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   endfacet
   facet normal 0 -1 0
@@ -16719,27 +16516,27 @@ solid OpenSCAD_Model
     outer loop
       vertex -58.961 -5 4.74704
       vertex -58.619 -5 5.10811
-      vertex -58.619 1.10683e-014 5.10811
+      vertex -58.619 0 5.10811
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     outer loop
       vertex -58.961 -5 4.74704
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+      vertex -58.619 0 5.10811
+      vertex -58.961 0 4.74704
     endloop
   endfacet
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+  facet normal 0 1 0
     outer loop
-      vertex -58.961 1.1106e-014 4.74704
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-      vertex -53 7.99832e-015 0
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   endfacet
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     outer loop
       vertex -59.1593 3 4.59633
-      vertex -53 3 9.53674e-007
+      vertex -53 3 0
       vertex -58.7802 3 4.9183
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   endfacet
@@ -16775,21 +16572,21 @@ solid OpenSCAD_Model
     outer loop
       vertex -59.3727 -5 4.46793
       vertex -58.961 -5 4.74704
-      vertex -59.3727 1.11858e-014 4.46793
+      vertex -59.3727 0 4.46793
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   endfacet
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     outer loop
-      vertex -59.3727 1.11858e-014 4.46793
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     endloop
   endfacet
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+  facet normal 0 1 0
     outer loop
-      vertex -59.3727 1.11858e-014 4.46793
-      vertex -58.961 1.1106e-014 4.74704
-      vertex -53 7.99832e-015 0
+      vertex -59.3727 0 4.46793
+      vertex -58.961 0 4.74704
+      vertex -53 0 0
     endloop
   endfacet
   facet normal 0 -1 0
@@ -16802,21 +16599,21 @@ solid OpenSCAD_Model
   facet normal -0.707107 -0 -0.707107
     outer loop
       vertex -59.4973 -5 8.79999
-      vertex -59.4973 1.21907e-014 8.79999
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       vertex -58.8237 -5 8.12634
     endloop
   endfacet
-  facet normal 3.44505e-016 1 -2.22045e-016
+  facet normal 0 1 0
     outer loop
-      vertex -59.4973 1.21907e-014 8.79999
-      vertex -53 1.08849e-014 13
-      vertex -58.8237 1.1809e-014 8.12634
+      vertex -59.4973 0 8.79999
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   endfacet
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     outer loop
-      vertex -59.4973 1.21907e-014 8.79999
-      vertex -58.8237 1.1809e-014 8.12634
+      vertex -59.4973 0 8.79999
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       vertex -58.8237 -5 8.12634
     endloop
   endfacet
@@ -16851,7 +16648,7 @@ solid OpenSCAD_Model
   facet normal 0 -1 0
     outer loop
       vertex -59.5987 3 4.36336
-      vertex -53 3 9.53674e-007
+      vertex -53 3 0
       vertex -59.1593 3 4.59633
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   endfacet
@@ -16887,21 +16684,21 @@ solid OpenSCAD_Model
     outer loop
       vertex -59.8347 -5 4.28384
       vertex -59.3727 -5 4.46793
-      vertex -59.8347 1.13041e-014 4.28384
+      vertex -59.8347 0 4.28384
     endloop
   endfacet
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     outer loop
-      vertex -59.8347 1.13041e-014 4.28384
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+      vertex -59.3727 0 4.46793
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   endfacet
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+  facet normal 0 1 0
     outer loop
-      vertex -59.8347 1.13041e-014 4.28384
-      vertex -59.3727 1.11858e-014 4.46793
-      vertex -53 7.99832e-015 0
+      vertex -59.8347 0 4.28384
+      vertex -59.3727 0 4.46793
+      vertex -53 0 0
     endloop
   endfacet
   facet normal 0 -1 -0
@@ -16984,7 +16781,7 @@ solid OpenSCAD_Model
   facet normal 0 -1 0
     outer loop
       vertex -6.25 -40 6.5
-      vertex -4.17836 -40 9.53674e-007
+      vertex -4.17836 -40 0
       vertex -4.17836 -40 13
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   endfacet
@@ -16992,14 +16789,14 @@ solid OpenSCAD_Model
     outer loop
       vertex -6.25 -41.5 6.5
       vertex -3.87997 -41.5 13
-      vertex -3.87997 -41.5 9.53674e-007
+      vertex -3.87997 -41.5 0
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     outer loop
       vertex -6.25 -47 6.5
-      vertex -1.61917e-014 -47 9.53674e-007
-      vertex -1.61917e-014 -47 13
+      vertex 0 -47 0
+      vertex 0 -47 13
     endloop
   endfacet
   facet normal 0 1 0
@@ -17026,7 +16823,7 @@ solid OpenSCAD_Model
   facet normal 0 -1 0
     outer loop
       vertex -6.32089 -40 6.00697
-      vertex -4.17836 -40 9.53674e-007
+      vertex -4.17836 -40 0
       vertex -6.25 -40 6.5
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   endfacet
@@ -17062,7 +16859,7 @@ solid OpenSCAD_Model
     outer loop
       vertex -6.32089 -41.5 6.00697
       vertex -6.25 -41.5 6.5
-      vertex -3.87997 -41.5 9.53674e-007
+      vertex -3.87997 -41.5 0
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   endfacet
   facet normal 0 1 0
@@ -17079,13 +16876,6 @@ solid OpenSCAD_Model
       vertex -6.25 -47 6.5
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       vertex -6.32089 -47 6.00697
@@ -17100,11 +16890,18 @@ solid OpenSCAD_Model
       vertex -6.25 -41.5 6.5
     endloop
   endfacet
+  facet normal 0 -1 0
+    outer loop
+      vertex -6.32089 -47 6.00697
+      vertex 0 -47 0
+      vertex -6.25 -47 6.5
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+  endfacet
   facet normal 0 -1 0
     outer loop
       vertex -6.32089 -47 6.99303
       vertex -6.25 -47 6.5
-      vertex -1.61917e-014 -47 13
+      vertex 0 -47 13
     endloop
   endfacet
   facet normal -0.98982 -0 -0.142326
@@ -17208,7 +17005,7 @@ solid OpenSCAD_Model
   facet normal 0 -1 0
     outer loop
       vertex -6.52782 -40 5.55388
-      vertex -4.17836 -40 9.53674e-007
+      vertex -4.17836 -40 0
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@@ -17244,7 +17041,7 @@ solid OpenSCAD_Model
     outer loop
       vertex -6.52782 -41.5 5.55388
       vertex -6.32089 -41.5 6.00697
-      vertex -3.87997 -41.5 9.53674e-007
+      vertex -3.87997 -41.5 0
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   endfacet
   facet normal 0 1 0
@@ -17261,13 +17058,6 @@ solid OpenSCAD_Model
       vertex -6.32089 -47 6.99303
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       vertex -6.52782 -47 5.55388
@@ -17282,11 +17072,18 @@ solid OpenSCAD_Model
       vertex -6.32089 -41.5 6.00697
     endloop
   endfacet
+  facet normal 0 -1 0
+    outer loop
+      vertex -6.52782 -47 5.55388
+      vertex 0 -47 0
+      vertex -6.32089 -47 6.00697
+    endloop
+  endfacet
   facet normal 0 -1 0
     outer loop
       vertex -6.52782 -47 7.44612
       vertex -6.32089 -47 6.99303
-      vertex -1.61917e-014 -47 13
+      vertex 0 -47 13
     endloop
   endfacet
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@@ -17321,7 +17118,7 @@ solid OpenSCAD_Model
     outer loop
       vertex -6.76257 -47 7.73743
       vertex -6.52782 -47 7.44612
-      vertex -1.61917e-014 -47 13
+      vertex 0 -47 13
     endloop
   endfacet
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@@ -17418,7 +17215,7 @@ solid OpenSCAD_Model
   facet normal 0 -1 0
     outer loop
       vertex -6.854 -40 5.17744
-      vertex -4.17836 -40 9.53674e-007
+      vertex -4.17836 -40 0
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@@ -17440,14 +17237,7 @@ solid OpenSCAD_Model
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       vertex -6.854 -41.5 5.17744
       vertex -6.52782 -41.5 5.55388
-      vertex -3.87997 -41.5 9.53674e-007
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-      vertex -6.854 -47 5.17744
-      vertex -1.61917e-014 -47 9.53674e-007
-      vertex -6.52782 -47 5.55388
+      vertex -3.87997 -41.5 0
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   endfacet
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@@ -17464,11 +17254,32 @@ solid OpenSCAD_Model
       vertex -6.52782 -41.5 5.55388
     endloop
   endfacet
+  facet normal 0 -1 0
+    outer loop
+      vertex -6.854 -47 5.17744
+      vertex 0 -47 0
+      vertex -6.52782 -47 5.55388
+    endloop
+  endfacet
+  facet normal 0 0 -1
+    outer loop
+      vertex -6.99998 38.8216 0
+      vertex -5.401 39.1397 0
+      vertex 7 12 0
+    endloop
+  endfacet
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+    outer loop
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+  endfacet
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     outer loop
       vertex -6.99998 38.8216 13
       vertex -5.401 39.1397 13
-      vertex -5.401 39.1397 9.53674e-007
+      vertex -5.401 39.1397 0
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   endfacet
   facet normal -0 0 1
@@ -17478,24 +17289,10 @@ solid OpenSCAD_Model
       vertex -5.401 39.1397 13
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       vertex -60.8221 -5 4.2303
       vertex -60.3255 -5 4.20338
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       vertex -61.3013 -5 4.36336
       vertex -60.8221 -5 4.2303
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   facet normal 0 0 -1
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       vertex -61.7407 -5 4.59633
       vertex -61.3013 -5 4.36336
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       vertex -61.5273 8 4.46793
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   endfacet
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+  facet normal 0 0 -1
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       vertex -53.5973 -12 8.79999
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@@ -18045,21 +17828,21 @@ solid OpenSCAD_Model
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+  facet normal -0 0 -1
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+  facet normal 0 0 1
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@@ -18131,28 +17914,21 @@ solid OpenSCAD_Model
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@@ -18231,7 +18007,7 @@ solid OpenSCAD_Model
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@@ -18244,29 +18020,29 @@ solid OpenSCAD_Model
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@@ -18311,48 +18087,34 @@ solid OpenSCAD_Model
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   endfacet
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       vertex -6.76257 -47 7.73743
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   endfacet
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       vertex -7.27303 -41.5 4.90816
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@@ -20733,6 +20495,27 @@ solid OpenSCAD_Model
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   endfacet
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+  facet normal 0 0 -1
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+      vertex -69.0455 -31.2845 0
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       vertex -70.273 38.33 4.90816
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       vertex -70.751 38.33 4.76782
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@@ -21048,6 +20810,27 @@ solid OpenSCAD_Model
       vertex -71.249 38.33 4.76782
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@@ -21097,25 +20880,25 @@ solid OpenSCAD_Model
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@@ -21524,6 +21286,27 @@ solid OpenSCAD_Model
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@@ -22144,13 +21906,13 @@ solid OpenSCAD_Model
     outer loop
       vertex -78.25 -29.83 6.5
       vertex -75.88 -29.83 13
-      vertex -75.88 -29.83 9.53674e-007
+      vertex -75.88 -29.83 0
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   endfacet
   facet normal 0 -1 0
     outer loop
       vertex -78.25 -35.33 6.5
-      vertex -72 -35.33 9.53674e-007
+      vertex -72 -35.33 0
       vertex -72 -35.33 13
     endloop
   endfacet
@@ -22178,7 +21940,7 @@ solid OpenSCAD_Model
   facet normal 0 -1 0
     outer loop
       vertex -78.3209 -28.33 6.00697
-      vertex -76.1784 -28.33 9.53674e-007
+      vertex -76.1784 -28.33 0
       vertex -78.25 -28.33 6.5
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   endfacet
@@ -22214,7 +21976,7 @@ solid OpenSCAD_Model
     outer loop
       vertex -78.3209 -29.83 6.00697
       vertex -78.25 -29.83 6.5
-      vertex -75.88 -29.83 9.53674e-007
+      vertex -75.88 -29.83 0
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   endfacet
   facet normal 0 1 0
@@ -22234,7 +21996,7 @@ solid OpenSCAD_Model
   facet normal 0 -1 0
     outer loop
       vertex -78.3209 -35.33 6.00697
-      vertex -72 -35.33 9.53674e-007
+      vertex -72 -35.33 0
       vertex -78.25 -35.33 6.5
     endloop
   endfacet
@@ -22346,7 +22108,7 @@ solid OpenSCAD_Model
   facet normal 0 -1 0
     outer loop
       vertex -78.5278 -28.33 5.55388
-      vertex -76.1784 -28.33 9.53674e-007
+      vertex -76.1784 -28.33 0
       vertex -78.3209 -28.33 6.00697
     endloop
   endfacet
@@ -22382,7 +22144,7 @@ solid OpenSCAD_Model
     outer loop
       vertex -78.5278 -29.83 5.55388
       vertex -78.3209 -29.83 6.00697
-      vertex -75.88 -29.83 9.53674e-007
+      vertex -75.88 -29.83 0
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   endfacet
   facet normal 0 1 0
@@ -22402,7 +22164,7 @@ solid OpenSCAD_Model
   facet normal 0 -1 0
     outer loop
       vertex -78.5278 -35.33 5.55388
-      vertex -72 -35.33 9.53674e-007
+      vertex -72 -35.33 0
       vertex -78.3209 -35.33 6.00697
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   endfacet
@@ -22556,7 +22318,7 @@ solid OpenSCAD_Model
   facet normal 0 -1 0
     outer loop
       vertex -78.854 -28.33 5.17744
-      vertex -76.1784 -28.33 9.53674e-007
+      vertex -76.1784 -28.33 0
       vertex -78.5278 -28.33 5.55388
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   endfacet
@@ -22578,13 +22340,13 @@ solid OpenSCAD_Model
     outer loop
       vertex -78.854 -29.83 5.17744
       vertex -78.5278 -29.83 5.55388
-      vertex -75.88 -29.83 9.53674e-007
+      vertex -75.88 -29.83 0
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   endfacet
   facet normal 0 -1 0
     outer loop
       vertex -78.854 -35.33 5.17744
-      vertex -72 -35.33 9.53674e-007
+      vertex -72 -35.33 0
       vertex -78.5278 -35.33 5.55388
     endloop
   endfacet
@@ -22604,16 +22366,37 @@ solid OpenSCAD_Model
   endfacet
   facet normal -0.195088 0.980786 0
     outer loop
+      vertex -79 27.1516 0
       vertex -79 27.1516 13
-      vertex -77.401 27.4697 13
-      vertex -77.401 27.4697 9.53674e-007
+      vertex -77.401 27.4697 0
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     outer loop
-      vertex -79 27.1516 9.53674e-007
       vertex -79 27.1516 13
-      vertex -77.401 27.4697 9.53674e-007
+      vertex -77.401 27.4697 13
+      vertex -77.401 27.4697 0
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+  endfacet
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+    outer loop
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+  endfacet
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+      vertex -79 35.5084 13
+    endloop
+  endfacet
+  facet normal 0 0 -1
+    outer loop
+      vertex -79 35.5084 0
+      vertex -79 38.33 0
+      vertex -77.401 35.1903 0
     endloop
   endfacet
   facet normal 0 0 1
@@ -22623,25 +22406,67 @@ solid OpenSCAD_Model
       vertex -79 38.33 13
     endloop
   endfacet
-  facet normal -0.195096 -0.980784 0
+  facet normal 0 0 -1
     outer loop
-      vertex -79 35.5084 9.53674e-007
-      vertex -77.401 35.1903 13
-      vertex -79 35.5084 13
+      vertex -79 38.33 0
+      vertex -65 38.33 0
+      vertex -76.0454 34.2845 0
     endloop
   endfacet
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+  facet normal 0 1 0
     outer loop
-      vertex -79 35.5084 9.53674e-007
-      vertex -77.401 35.1903 9.53674e-007
-      vertex -77.401 35.1903 13
+      vertex -79 38.33 0
+      vertex -71.249 38.33 4.76782
+      vertex -65 38.33 0
+    endloop
+  endfacet
+  facet normal 0 1 0
+    outer loop
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+      vertex -71.727 38.33 4.90816
+      vertex -71.249 38.33 4.76782
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+  endfacet
+  facet normal 0 1 0
+    outer loop
+      vertex -79 38.33 0
+      vertex -72.146 38.33 5.17744
+      vertex -71.727 38.33 4.90816
+    endloop
+  endfacet
+  facet normal 0 1 0
+    outer loop
+      vertex -79 38.33 0
+      vertex -72.4722 38.33 5.55388
+      vertex -72.146 38.33 5.17744
+    endloop
+  endfacet
+  facet normal 0 1 0
+    outer loop
+      vertex -79 38.33 0
+      vertex -72.6791 38.33 6.00697
+      vertex -72.4722 38.33 5.55388
+    endloop
+  endfacet
+  facet normal 0 1 0
+    outer loop
+      vertex -79 38.33 0
+      vertex -72.75 38.33 6.5
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   endfacet
   facet normal 0 0 -1
     outer loop
-      vertex -79 35.5084 9.53674e-007
-      vertex -79 38.33 9.53674e-007
-      vertex -77.401 35.1903 9.53674e-007
+      vertex -79 38.33 0
+      vertex -76.0454 34.2845 0
+      vertex -77.401 35.1903 0
+    endloop
+  endfacet
+  facet normal 0 1 0
+    outer loop
+      vertex -79 38.33 0
+      vertex -79 38.33 13
+      vertex -72.75 38.33 6.5
     endloop
   endfacet
   facet normal 0 1 0
@@ -22693,69 +22518,6 @@ solid OpenSCAD_Model
       vertex -76.0454 34.2845 13
     endloop
   endfacet
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-  endfacet
   facet normal 0 1 0
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@@ -22773,7 +22535,7 @@ solid OpenSCAD_Model
   facet normal 0 -1 0
     outer loop
       vertex -79.273 -28.33 4.90816
-      vertex -76.1784 -28.33 9.53674e-007
+      vertex -76.1784 -28.33 0
       vertex -78.854 -28.33 5.17744
     endloop
   endfacet
@@ -22788,7 +22550,7 @@ solid OpenSCAD_Model
     outer loop
       vertex -79.273 -29.83 4.90816
       vertex -78.854 -29.83 5.17744
-      vertex -75.88 -29.83 9.53674e-007
+      vertex -75.88 -29.83 0
     endloop
   endfacet
   facet normal -0.540638 0 0.841255
@@ -22801,7 +22563,7 @@ solid OpenSCAD_Model
   facet normal 0 -1 0
     outer loop
       vertex -79.273 -35.33 4.90816
-      vertex -72 -35.33 9.53674e-007
+      vertex -72 -35.33 0
       vertex -78.854 -35.33 5.17744
     endloop
   endfacet
@@ -22868,6 +22630,20 @@ solid OpenSCAD_Model
       vertex -78.7626 -35.33 7.73743
     endloop
   endfacet
+  facet normal 0 0 -1
+    outer loop
+      vertex -79.6101 38.3034 0
+      vertex -79 38.33 0
+      vertex -79 35.5084 0
+    endloop
+  endfacet
+  facet normal -0.0436031 0.999049 0
+    outer loop
+      vertex -79.6101 38.3034 0
+      vertex -79.6101 38.3034 13
+      vertex -79 38.33 0
+    endloop
+  endfacet
   facet normal -0 0 1
     outer loop
       vertex -79.6101 38.3034 13
@@ -22879,21 +22655,7 @@ solid OpenSCAD_Model
     outer loop
       vertex -79.6101 38.3034 13
       vertex -79 38.33 13
-      vertex -79 38.33 9.53674e-007
-    endloop
-  endfacet
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-    outer loop
-      vertex -79.6101 38.3034 9.53674e-007
-      vertex -79.6101 38.3034 13
-      vertex -79 38.33 9.53674e-007
+      vertex -79 38.33 0
     endloop
   endfacet
   facet normal 0 1 0
@@ -22913,7 +22675,7 @@ solid OpenSCAD_Model
   facet normal 0 -1 0
     outer loop
       vertex -79.751 -28.33 4.76782
-      vertex -76.1784 -28.33 9.53674e-007
+      vertex -76.1784 -28.33 0
       vertex -79.273 -28.33 4.90816
     endloop
   endfacet
@@ -22928,7 +22690,7 @@ solid OpenSCAD_Model
     outer loop
       vertex -79.751 -29.83 4.76782
       vertex -79.273 -29.83 4.90816
-      vertex -75.88 -29.83 9.53674e-007
+      vertex -75.88 -29.83 0
     endloop
   endfacet
   facet normal -0.281733 0 0.959493
@@ -22941,7 +22703,7 @@ solid OpenSCAD_Model
   facet normal 0 -1 0
     outer loop
       vertex -79.751 -35.33 4.76782
-      vertex -72 -35.33 9.53674e-007
+      vertex -72 -35.33 0
       vertex -79.273 -35.33 4.90816
     endloop
   endfacet
@@ -22952,6 +22714,20 @@ solid OpenSCAD_Model
       vertex -79.751 -29.83 4.76782
     endloop
   endfacet
+  facet normal 0 0 -1
+    outer loop
+      vertex -8.21553 49.8936 0
+      vertex -7.61008 49.9734 0
+      vertex -7 47.1784 0
+    endloop
+  endfacet
+  facet normal -0.13053 0.991444 0
+    outer loop
+      vertex -8.21553 49.8936 0
+      vertex -8.21553 49.8936 13
+      vertex -7.61008 49.9734 0
+    endloop
+  endfacet
   facet normal -0 0 1
     outer loop
       vertex -8.21553 49.8936 13
@@ -22963,21 +22739,7 @@ solid OpenSCAD_Model
     outer loop
       vertex -8.21553 49.8936 13
       vertex -7.61008 49.9734 13
-      vertex -7.61008 49.9734 9.53674e-007
-    endloop
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-    outer loop
-      vertex -8.21553 49.8936 9.53674e-007
-      vertex -8.21553 49.8936 13
-      vertex -7.61008 49.9734 9.53674e-007
+      vertex -7.61008 49.9734 0
     endloop
   endfacet
   facet normal 0 1 0
@@ -22997,7 +22759,7 @@ solid OpenSCAD_Model
   facet normal 0 -1 0
     outer loop
       vertex -8.24904 -40 4.76782
-      vertex -4.17836 -40 9.53674e-007
+      vertex -4.17836 -40 0
       vertex -7.75096 -40 4.76782
     endloop
   endfacet
@@ -23012,7 +22774,7 @@ solid OpenSCAD_Model
     outer loop
       vertex -8.24904 -41.5 4.76782
       vertex -7.75096 -41.5 4.76782
-      vertex -3.87997 -41.5 9.53674e-007
+      vertex -3.87997 -41.5 0
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   endfacet
   facet normal -0 0 1
@@ -23029,18 +22791,39 @@ solid OpenSCAD_Model
       vertex -8.24904 -41.5 4.76782
     endloop
   endfacet
+  facet normal 0.195096 0.980784 0
+    outer loop
+      vertex -8.59898 39.1397 0
+      vertex -8.59898 39.1397 13
+      vertex -6.99998 38.8216 0
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+  endfacet
   facet normal 0.195096 0.980784 -0
     outer loop
       vertex -8.59898 39.1397 13
       vertex -6.99998 38.8216 13
-      vertex -6.99998 38.8216 9.53674e-007
+      vertex -6.99998 38.8216 0
     endloop
   endfacet
-  facet normal 0.195096 0.980784 0
+  facet normal 0.195097 -0.980784 0
     outer loop
-      vertex -8.59898 39.1397 9.53674e-007
-      vertex -8.59898 39.1397 13
-      vertex -6.99998 38.8216 9.53674e-007
+      vertex -8.59898 46.8603 0
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+    endloop
+  endfacet
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+    outer loop
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+  endfacet
+  facet normal 0 0 -1
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+      vertex -8.59898 46.8603 0
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     endloop
   endfacet
   facet normal 0 0 1
@@ -23050,27 +22833,6 @@ solid OpenSCAD_Model
       vertex -8.21553 49.8936 13
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       vertex -8.72485 -40 8.25
@@ -23141,11 +22903,25 @@ solid OpenSCAD_Model
       vertex -8.72697 -41.5 4.90816
     endloop
   endfacet
+  facet normal 0 0 -1
+    outer loop
+      vertex -8.81172 49.7615 0
+      vertex -8.21553 49.8936 0
+      vertex -8.59898 46.8603 0
+    endloop
+  endfacet
+  facet normal -0.216438 0.976296 0
+    outer loop
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+      vertex -8.21553 49.8936 0
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+  endfacet
   facet normal -0.216438 0.976296 0
     outer loop
       vertex -8.81172 49.7615 13
       vertex -8.21553 49.8936 13
-      vertex -8.21553 49.8936 9.53674e-007
+      vertex -8.21553 49.8936 0
     endloop
   endfacet
   facet normal -0 0 1
@@ -23157,16 +22933,16 @@ solid OpenSCAD_Model
   endfacet
   facet normal 0 0 -1
     outer loop
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-      vertex -8.21553 49.8936 9.53674e-007
-      vertex -8.59898 46.8603 9.53674e-007
+      vertex -80.2155 38.2236 0
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     endloop
   endfacet
-  facet normal -0.216438 0.976296 0
+  facet normal -0.13053 0.991444 0
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-      vertex -8.21553 49.8936 9.53674e-007
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+      vertex -80.2155 38.2236 13
+      vertex -79.6101 38.3034 0
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   endfacet
   facet normal -0 0 1
@@ -23180,21 +22956,7 @@ solid OpenSCAD_Model
     outer loop
       vertex -80.2155 38.2236 13
       vertex -79.6101 38.3034 13
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-    outer loop
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-      vertex -79.6101 38.3034 9.53674e-007
+      vertex -79.6101 38.3034 0
     endloop
   endfacet
   facet normal 0 1 0
@@ -23214,7 +22976,7 @@ solid OpenSCAD_Model
   facet normal 0 -1 0
     outer loop
       vertex -80.249 -28.33 4.76782
-      vertex -76.1784 -28.33 9.53674e-007
+      vertex -76.1784 -28.33 0
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@@ -23229,7 +22991,7 @@ solid OpenSCAD_Model
     outer loop
       vertex -80.249 -29.83 4.76782
       vertex -79.751 -29.83 4.76782
-      vertex -75.88 -29.83 9.53674e-007
+      vertex -75.88 -29.83 0
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   endfacet
   facet normal -0 0 1
@@ -23246,18 +23008,39 @@ solid OpenSCAD_Model
       vertex -80.249 -29.83 4.76782
     endloop
   endfacet
+  facet normal 0.195086 0.980786 0
+    outer loop
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     outer loop
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   facet normal 0 0 1
@@ -23267,27 +23050,6 @@ solid OpenSCAD_Model
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@@ -23358,11 +23120,25 @@ solid OpenSCAD_Model
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     outer loop
       vertex 1.24904 43 4.76782
       vertex 1.72697 43 4.90816
-      vertex 7 43 9.53674e-007
+      vertex 7 43 0
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@@ -27967,7 +27771,7 @@ solid OpenSCAD_Model
   facet normal 0 -1 0
     outer loop
       vertex 1.24904 44.5 4.76782
-      vertex 7 44.5 9.53674e-007
+      vertex 7 44.5 0
       vertex 1.72697 44.5 4.90816
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@@ -27982,7 +27786,28 @@ solid OpenSCAD_Model
     outer loop
       vertex 1.24904 50 4.76782
       vertex 1.72697 50 4.90816
-      vertex 7 50 9.53674e-007
+      vertex 7 50 0
+    endloop
+  endfacet
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+      vertex 2.95454 -37.0454 13
+    endloop
+  endfacet
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+  endfacet
+  facet normal 0 0 -1
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+      vertex 1.59898 -36.1397 0
+      vertex 7 -9 0
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   endfacet
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@@ -27992,25 +27817,46 @@ solid OpenSCAD_Model
       vertex 7 -9 13
     endloop
   endfacet
-  facet normal -0.555566 -0.831472 0
+  facet normal -0.555566 0.831472 0
     outer loop
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-      vertex 1.59898 -36.1397 13
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+  facet normal 0 0 -1
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   endfacet
   facet normal 0 0 1
@@ -28031,7 +27877,7 @@ solid OpenSCAD_Model
     outer loop
       vertex 1.59898 -43.8603 13
       vertex 2.95454 -42.9545 13
-      vertex 2.95454 -42.9545 9.53674e-007
+      vertex 2.95454 -42.9545 0
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@@ -28055,48 +27901,6 @@ solid OpenSCAD_Model
       vertex 2.95454 -42.9545 13
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     outer loop
       vertex 1.72697 43 4.90816
       vertex 2.146 43 5.17744
-      vertex 7 43 9.53674e-007
+      vertex 7 43 0
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@@ -28191,7 +27995,7 @@ solid OpenSCAD_Model
   facet normal 0 -1 0
     outer loop
       vertex 1.72697 44.5 4.90816
-      vertex 7 44.5 9.53674e-007
+      vertex 7 44.5 0
       vertex 2.146 44.5 5.17744
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   endfacet
@@ -28206,23 +28010,23 @@ solid OpenSCAD_Model
     outer loop
       vertex 1.72697 50 4.90816
       vertex 2.146 50 5.17744
-      vertex 7 50 9.53674e-007
+      vertex 7 50 0
     endloop
   endfacet
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+      vertex 1.81172 -46.7615 0
+      vertex 2.39413 -46.5778 0
+      vertex 2.39413 -46.5778 13
+    endloop
+  endfacet
+  facet normal 0.300714 -0.953714 0
+    outer loop
+      vertex 1.81172 -46.7615 0
       vertex 2.39413 -46.5778 13
       vertex 1.81172 -46.7615 13
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   endfacet
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   endfacet
   facet normal 0.468415 0 0.883509
     outer loop
-      vertex 10.2593 -3.95707e-015 4.59633
+      vertex 10.2593 -5 4.59633
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+      vertex 10.6987 0 4.36336
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@@ -28265,25 +28069,11 @@ solid OpenSCAD_Model
       vertex 10.9347 8 4.28384
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+      vertex 10.5973 0 8.79999
+      vertex 12.5027 0 8.79999
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   endfacet
   facet normal 0 -1 0
@@ -28293,6 +28083,20 @@ solid OpenSCAD_Model
       vertex 13.625 -5 10.094
     endloop
   endfacet
+  facet normal 0 0 -1
+    outer loop
+      vertex 10.5973 -5 8.79999
+      vertex 12.5027 0 8.79999
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+    endloop
+  endfacet
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+    outer loop
+      vertex 10.5973 0 8.79999
+      vertex 19 0 13
+      vertex 12.5027 0 8.79999
+    endloop
+  endfacet
   facet normal -0 0 -1
     outer loop
       vertex 10.5973 3 8.79999
@@ -28316,16 +28120,16 @@ solid OpenSCAD_Model
   endfacet
   facet normal 0.267533 0 0.963549
     outer loop
-      vertex 10.6987 -4.16019e-015 4.36336
+      vertex 10.6987 -5 4.36336
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+      vertex 11.1779 0 4.2303
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+      vertex 11.6745 0 4.20338
+      vertex 19 0 0
     endloop
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@@ -28373,7 +28177,7 @@ solid OpenSCAD_Model
   facet normal 0 -1 0
     outer loop
       vertex 11.4255 3 4.20338
-      vertex 19 3 9.53674e-007
+      vertex 19 3 0
       vertex 11.9221 3 4.2303
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@@ -28391,25 +28195,11 @@ solid OpenSCAD_Model
       vertex 13.625 8 2.906
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     outer loop
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       vertex 12.1653 -5 4.28384
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+      vertex 11.6745 0 4.20338
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   endfacet
   facet normal 0 -1 0
@@ -28419,6 +28209,20 @@ solid OpenSCAD_Model
       vertex 12.1653 -5 4.28384
     endloop
   endfacet
+  facet normal -0.161776 0 0.986827
+    outer loop
+      vertex 11.6745 0 4.20338
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+      vertex 12.1653 0 4.28384
+    endloop
+  endfacet
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+    outer loop
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+      vertex 19 0 0
+    endloop
+  endfacet
   facet normal -0.267533 0 0.963549
     outer loop
       vertex 11.9221 3 4.2303
@@ -28429,7 +28233,7 @@ solid OpenSCAD_Model
   facet normal 0 -1 0
     outer loop
       vertex 11.9221 3 4.2303
-      vertex 19 3 9.53674e-007
+      vertex 19 3 0
       vertex 12.4013 3 4.36336
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@@ -28447,25 +28251,11 @@ solid OpenSCAD_Model
       vertex 13.625 8 2.906
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     outer loop
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+      vertex 12.1653 0 4.28384
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   endfacet
   facet normal 0 -1 0
@@ -28475,6 +28265,20 @@ solid OpenSCAD_Model
       vertex 12.6273 -5 4.46793
     endloop
   endfacet
+  facet normal -0.370131 0 0.928979
+    outer loop
+      vertex 12.1653 0 4.28384
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+      vertex 12.6273 0 4.46793
+    endloop
+  endfacet
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+    outer loop
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+      vertex 19 0 0
+    endloop
+  endfacet
   facet normal -0.468415 0 0.883509
     outer loop
       vertex 12.4013 3 4.36336
@@ -28485,7 +28289,7 @@ solid OpenSCAD_Model
   facet normal 0 -1 0
     outer loop
       vertex 12.4013 3 4.36336
-      vertex 19 3 9.53674e-007
+      vertex 19 3 0
       vertex 12.8407 3 4.59633
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@@ -28503,24 +28307,10 @@ solid OpenSCAD_Model
       vertex 13.625 8 2.906
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+      vertex 12.5027 0 8.79999
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@@ -28531,6 +28321,20 @@ solid OpenSCAD_Model
       vertex 13.625 -5 10.094
     endloop
   endfacet
+  facet normal -0.707107 0 -0.707107
+    outer loop
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+    endloop
+  endfacet
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+      vertex 19 0 13
+      vertex 13.1763 0 8.12634
+    endloop
+  endfacet
   facet normal -0.707107 -0 -0.707107
     outer loop
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@@ -28559,25 +28363,11 @@ solid OpenSCAD_Model
       vertex 13.1763 8 8.12634
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+      vertex 12.6273 0 4.46793
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   endfacet
   facet normal 0 -1 0
@@ -28587,6 +28377,20 @@ solid OpenSCAD_Model
       vertex 13.039 -5 4.74704
     endloop
   endfacet
+  facet normal -0.561197 0 0.827682
+    outer loop
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+      vertex 19 0 0
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+  endfacet
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     outer loop
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@@ -28597,7 +28401,7 @@ solid OpenSCAD_Model
   facet normal 0 -1 0
     outer loop
       vertex 12.8407 3 4.59633
-      vertex 19 3 9.53674e-007
+      vertex 19 3 0
       vertex 13.2198 3 4.9183
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@@ -28615,25 +28419,18 @@ solid OpenSCAD_Model
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       vertex 13.381 -5 5.10811
     endloop
   endfacet
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+  facet normal 0 1 0
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+      vertex 13.1763 0 8.12634
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   endfacet
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@@ -28685,6 +28475,20 @@ solid OpenSCAD_Model
       vertex 13.1763 -5 8.12634
     endloop
   endfacet
+  facet normal 0 1 0
+    outer loop
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+      vertex 13.1763 0 8.12634
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+  endfacet
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     outer loop
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       vertex 13.2198 8 8.0817
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     outer loop
       vertex 13.1763 -5 8.12634
@@ -28741,6 +28538,13 @@ solid OpenSCAD_Model
       vertex 13.625 -5 10.094
     endloop
   endfacet
+  facet normal 0 1 -0
+    outer loop
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+      vertex 19 0 13
+      vertex 13.381 0 7.89189
+    endloop
+  endfacet
   facet normal 0 -1 0
     outer loop
       vertex 13.1763 3 8.12634
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   facet normal 0 -1 0
     outer loop
       vertex 13.2198 3 4.9183
-      vertex 19 3 9.53674e-007
+      vertex 19 3 0
       vertex 13.5208 3 5.31424
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       vertex 13.5208 8 7.68576
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     outer loop
       vertex 13.381 -5 5.10811
-      vertex 13.6374 -4.9126e-015 5.53426
-      vertex 13.381 -4.91889e-015 5.10811
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+      vertex 13.6374 0 5.53426
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       vertex 13.381 -5 7.89189
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+      vertex 13.381 0 7.89189
       vertex 13.6374 -5 7.46574
     endloop
   endfacet
@@ -28867,6 +28650,27 @@ solid OpenSCAD_Model
       vertex 13.625 -5 10.094
     endloop
   endfacet
+  facet normal 0 1 0
+    outer loop
+      vertex 13.381 0 5.10811
+      vertex 13.6374 0 5.53426
+      vertex 19 0 0
+    endloop
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+    outer loop
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+    endloop
+  endfacet
+  facet normal 0 1 0
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+      vertex 13.6374 0 7.46574
+    endloop
+  endfacet
   facet normal -0.907571 0 0.419899
     outer loop
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@@ -28884,7 +28688,7 @@ solid OpenSCAD_Model
   facet normal 0 -1 0
     outer loop
       vertex 13.5208 3 5.31424
-      vertex 19 3 9.53674e-007
+      vertex 19 3 0
       vertex 13.7296 3 5.76561
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       vertex 15.7 -9 6.5
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   facet normal -0.866025 0 0.5
     outer loop
       vertex 13.625 -9 2.906
-      vertex 14.6611 -9 4.70051
+      vertex 15.7 -5 6.5
       vertex 13.625 -5 2.906
     endloop
   endfacet
+  facet normal -0.866025 0 0.5
+    outer loop
+      vertex 13.625 -9 2.906
+      vertex 15.7 -9 6.5
+      vertex 15.7 -5 6.5
+    endloop
+  endfacet
   facet normal 0 -1 0
     outer loop
       vertex 13.625 -9 2.906
-      vertex 19 -9 1.9984e-015
-      vertex 14.6611 -9 4.70051
+      vertex 19 -9 0
+      vertex 15.7 -9 6.5
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@@ -29000,7 +28804,7 @@ solid OpenSCAD_Model
       vertex 15.7 8 6.5
     endloop
   endfacet
-  facet normal -1.09334e-007 1 2.02227e-007
+  facet normal 0 1 0
     outer loop
       vertex 13.625 12 10.094
       vertex 19 12 13
@@ -29011,7 +28815,7 @@ solid OpenSCAD_Model
     outer loop
       vertex 13.625 12 2.906
       vertex 15.7 12 6.5
-      vertex 19 12 9.53674e-007
+      vertex 19 12 0
     endloop
   endfacet
   facet normal -0.866025 -0 -0.5
@@ -29035,39 +28839,18 @@ solid OpenSCAD_Model
       vertex 15.7 12 6.5
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   endfacet
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     outer loop
       vertex 13.6374 -5 5.53426
       vertex 13.7962 -5 6.00557
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+      vertex 13.7962 0 6.00557
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+  endfacet
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+    outer loop
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+      vertex 13.7962 0 6.00557
+      vertex 13.6374 0 5.53426
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   endfacet
   facet normal 0 -1 0
@@ -29080,7 +28863,7 @@ solid OpenSCAD_Model
   facet normal -0.947657 -0 -0.319291
     outer loop
       vertex 13.6374 -5 7.46574
-      vertex 13.6374 -4.48372e-015 7.46574
+      vertex 13.6374 0 7.46574
       vertex 13.7962 -5 6.99443
     endloop
   endfacet
@@ -29091,6 +28874,27 @@ solid OpenSCAD_Model
       vertex 15.7 -5 6.5
     endloop
   endfacet
+  facet normal 0 1 0
+    outer loop
+      vertex 13.6374 0 5.53426
+      vertex 13.7962 0 6.00557
+      vertex 19 0 0
+    endloop
+  endfacet
+  facet normal -0.947657 0 -0.319291
+    outer loop
+      vertex 13.6374 0 7.46574
+      vertex 13.7962 0 6.99443
+      vertex 13.7962 -5 6.99443
+    endloop
+  endfacet
+  facet normal 0 1 0
+    outer loop
+      vertex 13.6374 0 7.46574
+      vertex 19 0 13
+      vertex 13.7962 0 6.99443
+    endloop
+  endfacet
   facet normal -0.976619 0 0.214978
     outer loop
       vertex 13.7296 3 5.76561
@@ -29108,7 +28912,7 @@ solid OpenSCAD_Model
   facet normal 0 -1 0
     outer loop
       vertex 13.7296 3 5.76561
-      vertex 19 3 9.53674e-007
+      vertex 19 3 0
       vertex 13.8365 3 6.25133
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@@ -29147,39 +28951,18 @@ solid OpenSCAD_Model
       vertex 13.8365 8 6.74867
     endloop
   endfacet
-  facet normal -0.994138 0 -0.108118
+  facet normal -0.994138 0 0.108118
     outer loop
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-      vertex 13.85 -4.77139e-015 6.5
+      vertex 13.7962 -5 6.00557
       vertex 13.85 -5 6.5
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-      vertex 13.7962 -4.86265e-015 6.00557
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-      vertex 19 -7.98889e-015 0
+      vertex 13.85 0 6.5
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+      vertex 13.85 0 6.5
+      vertex 13.7962 0 6.00557
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   endfacet
   facet normal 0 -1 0
@@ -29192,7 +28975,7 @@ solid OpenSCAD_Model
   facet normal -0.994138 -0 -0.108118
     outer loop
       vertex 13.7962 -5 6.99443
-      vertex 13.7962 -4.64308e-015 6.99443
+      vertex 13.7962 0 6.99443
       vertex 13.85 -5 6.5
     endloop
   endfacet
@@ -29203,6 +28986,27 @@ solid OpenSCAD_Model
       vertex 15.7 -5 6.5
     endloop
   endfacet
+  facet normal 0 1 0
+    outer loop
+      vertex 13.7962 0 6.00557
+      vertex 13.85 0 6.5
+      vertex 19 0 0
+    endloop
+  endfacet
+  facet normal -0.994138 0 -0.108118
+    outer loop
+      vertex 13.7962 0 6.99443
+      vertex 13.85 0 6.5
+      vertex 13.85 -5 6.5
+    endloop
+  endfacet
+  facet normal 0 1 0
+    outer loop
+      vertex 13.7962 0 6.99443
+      vertex 19 0 13
+      vertex 13.85 0 6.5
+    endloop
+  endfacet
   facet normal -1 -0 0
     outer loop
       vertex 13.8365 3 6.25133
@@ -29220,15 +29024,15 @@ solid OpenSCAD_Model
   facet normal 0 -1 0
     outer loop
       vertex 13.8365 3 6.25133
+      vertex 19 3 0
       vertex 19 3 13
-      vertex 13.8365 3 6.74867
     endloop
   endfacet
   facet normal 0 -1 0
     outer loop
       vertex 13.8365 3 6.25133
-      vertex 19 3 9.53674e-007
       vertex 19 3 13
+      vertex 13.8365 3 6.74867
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   endfacet
   facet normal 0 1 0
@@ -29238,69 +29042,55 @@ solid OpenSCAD_Model
       vertex 15.7 8 6.5
     endloop
   endfacet
-  facet normal 3.44505e-016 1 -2.22045e-016
+  facet normal 0 1 -0
     outer loop
-      vertex 13.85 -4.77139e-015 6.5
-      vertex 19 -5.10231e-015 13
-      vertex 19 -7.98889e-015 0
+      vertex 13.85 0 6.5
+      vertex 19 0 13
+      vertex 19 0 0
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   endfacet
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-      vertex 15.7 -9 6.5
-    endloop
-  endfacet
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+  facet normal 0 -1 0
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       vertex 19 -9 13
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   endfacet
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+  facet normal 0 1 -0
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       vertex 19 12 13
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+      vertex 19 12 0
     endloop
   endfacet
   facet normal 1 0 0
     outer loop
-      vertex 19 -9 1.9984e-015
-      vertex 19 -7.98889e-015 0
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   endfacet
   facet normal 1 -0 0
     outer loop
       vertex 19 -9 13
-      vertex 19 -7.98889e-015 0
-      vertex 19 -5.10231e-015 13
+      vertex 19 0 0
+      vertex 19 0 13
+    endloop
+  endfacet
+  facet normal 1 0 0
+    outer loop
+      vertex 19 3 0
+      vertex 19 12 0
+      vertex 19 3 13
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   endfacet
   facet normal 1 -0 0
     outer loop
       vertex 19 3 13
-      vertex 19 12 9.53674e-007
+      vertex 19 12 0
       vertex 19 12 13
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     outer loop
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@@ -29326,7 +29116,7 @@ solid OpenSCAD_Model
     outer loop
       vertex 2.146 43 5.17744
       vertex 2.47218 43 5.55388
-      vertex 7 43 9.53674e-007
+      vertex 7 43 0
     endloop
   endfacet
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@@ -29346,7 +29136,7 @@ solid OpenSCAD_Model
   facet normal 0 -1 0
     outer loop
       vertex 2.146 44.5 5.17744
-      vertex 7 44.5 9.53674e-007
+      vertex 7 44.5 0
       vertex 2.47218 44.5 5.55388
     endloop
   endfacet
@@ -29354,7 +29144,7 @@ solid OpenSCAD_Model
     outer loop
       vertex 2.146 50 5.17744
       vertex 2.47218 50 5.55388
-      vertex 7 50 9.53674e-007
+      vertex 7 50 0
     endloop
   endfacet
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@@ -29471,16 +29261,16 @@ solid OpenSCAD_Model
   endfacet
   facet normal 0.382681 -0.923881 0
     outer loop
-      vertex 2.39413 -46.5778 9.53674e-007
+      vertex 2.39413 -46.5778 0
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       vertex 2.95831 -46.3441 13
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   endfacet
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     outer loop
-      vertex 2.39413 -46.5778 9.53674e-007
-      vertex 2.95831 -46.3441 9.53674e-007
+      vertex 2.39413 -46.5778 0
       vertex 2.95831 -46.3441 13
+      vertex 2.39413 -46.5778 13
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   endfacet
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@@ -29536,7 +29326,7 @@ solid OpenSCAD_Model
     outer loop
       vertex 2.47218 43 5.55388
       vertex 2.67911 43 6.00697
-      vertex 7 43 9.53674e-007
+      vertex 7 43 0
     endloop
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@@ -29570,7 +29360,7 @@ solid OpenSCAD_Model
   facet normal 0 -1 0
     outer loop
       vertex 2.47218 44.5 5.55388
-      vertex 7 44.5 9.53674e-007
+      vertex 7 44.5 0
       vertex 2.67911 44.5 6.00697
     endloop
   endfacet
@@ -29592,7 +29382,7 @@ solid OpenSCAD_Model
     outer loop
       vertex 2.47218 50 5.55388
       vertex 2.67911 50 6.00697
-      vertex 7 50 9.53674e-007
+      vertex 7 50 0
     endloop
   endfacet
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@@ -29690,7 +29480,7 @@ solid OpenSCAD_Model
     outer loop
       vertex 2.67911 43 6.00697
       vertex 2.75 43 6.5
-      vertex 7 43 9.53674e-007
+      vertex 7 43 0
     endloop
   endfacet
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@@ -29724,7 +29514,7 @@ solid OpenSCAD_Model
   facet normal 0 -1 0
     outer loop
       vertex 2.67911 44.5 6.00697
-      vertex 7 44.5 9.53674e-007
+      vertex 7 44.5 0
       vertex 2.75 44.5 6.5
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@@ -29746,7 +29536,7 @@ solid OpenSCAD_Model
     outer loop
       vertex 2.67911 50 6.00697
       vertex 2.75 50 6.5
-      vertex 7 50 9.53674e-007
+      vertex 7 50 0
     endloop
   endfacet
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@@ -29767,13 +29557,13 @@ solid OpenSCAD_Model
     outer loop
       vertex 2.75 43 6.5
       vertex 7 43 13
-      vertex 7 43 9.53674e-007
+      vertex 7 43 0
     endloop
   endfacet
   facet normal 0 -1 0
     outer loop
       vertex 2.75 44.5 6.5
-      vertex 7 44.5 9.53674e-007
+      vertex 7 44.5 0
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   endfacet
@@ -29781,7 +29571,35 @@ solid OpenSCAD_Model
     outer loop
       vertex 2.75 50 6.5
       vertex 7 50 13
-      vertex 7 50 9.53674e-007
+      vertex 7 50 0
+    endloop
+  endfacet
+  facet normal -0.831472 -0.555566 0
+    outer loop
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+      vertex 2.95454 -37.0454 13
+    endloop
+  endfacet
+  facet normal 0 0 -1
+    outer loop
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+      vertex 7 -40 0
+      vertex 3.86029 -38.401 0
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+      vertex 3.86029 -38.401 0
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   endfacet
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@@ -29805,25 +29616,53 @@ solid OpenSCAD_Model
       vertex 7 -9 13
     endloop
   endfacet
-  facet normal -0.831472 -0.555566 -0
+  facet normal -0.831472 0.555566 0
     outer loop
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-      vertex 2.95454 -37.0454 13
+      vertex 2.95454 -42.9545 0
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-      vertex 7 -9 1.9984e-015
-      vertex 7 -40 9.53674e-007
+      vertex 2.95454 -42.9545 0
+      vertex 3.86029 -41.599 13
+      vertex 3.86029 -41.599 0
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diff --git a/dibond/stls/printed/d_motor_brackets.stl b/dibond/stls/printed/d_motor_brackets.stl
index 0963a40..8b04f3e 100644
--- a/dibond/stls/printed/d_motor_brackets.stl
+++ b/dibond/stls/printed/d_motor_brackets.stl
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+  endfacet
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@@ -22058,23 +22058,16 @@ solid OpenSCAD_Model
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       vertex 11.36 1.22872 7
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diff --git a/dibond/stls/printed/dust_filter.stl b/dibond/stls/printed/dust_filter.stl
index 26f2362..46c98fe 100644
--- a/dibond/stls/printed/dust_filter.stl
+++ b/dibond/stls/printed/dust_filter.stl
@@ -412,34 +412,6 @@ solid OpenSCAD_Model
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@@ -3086,6 +2533,13 @@ solid OpenSCAD_Model
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@@ -11521,118 +9764,69 @@ solid OpenSCAD_Model
       vertex 7 7.01347 13.5523
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+  facet normal 0 1 -0
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+      vertex 35.9927 7.01 17
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       vertex 7 7.41903 13.8323
     endloop
   endfacet
-  facet normal 1 -1.91176e-007 -2.76966e-007
+  facet normal 1 0 0
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       vertex 7 7.41903 5.16771
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+      vertex 7 8.14943 7.09874
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@@ -11661,11 +9855,18 @@ solid OpenSCAD_Model
       vertex 7 7.84972 14.0718
     endloop
   endfacet
-  facet normal 1 -1.92865e-007 -3.46838e-007
+  facet normal 1 0 0
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       vertex 7 7.41903 5.16771
       vertex 7 7.84972 4.92822
-      vertex 7 12.5885 5.04276
+      vertex 7 8.56001 6.81532
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+      vertex 7 8.14943 7.09874
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@@ -11682,11 +9883,18 @@ solid OpenSCAD_Model
       vertex 7 8.30151 14.2686
     endloop
   endfacet
-  facet normal 1 -1.90669e-007 -4.37705e-007
+  facet normal 1 0 0
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+      vertex 7 9.01073 6.60146
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@@ -11696,11 +9904,11 @@ solid OpenSCAD_Model
       vertex 7 8.77019 14.4209
     endloop
   endfacet
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+  facet normal 1 0 0
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@@ -11710,11 +9918,18 @@ solid OpenSCAD_Model
       vertex 7 9.25138 14.5272
     endloop
   endfacet
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+  facet normal 1 0 0
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+      vertex 7 9.48993 6.46266
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@@ -11738,41 +9953,34 @@ solid OpenSCAD_Model
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+  facet normal 1 0 0
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+  facet normal 1 0 0
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diff --git a/dibond/stls/printed/fixing_blocks.stl b/dibond/stls/printed/fixing_blocks.stl
index f5f66a7..e55fa22 100644
--- a/dibond/stls/printed/fixing_blocks.stl
+++ b/dibond/stls/printed/fixing_blocks.stl
@@ -115,27 +115,27 @@ solid OpenSCAD_Model
     outer loop
       vertex -0.489546 -2.14484 0
       vertex -0.489546 -2.14484 5
-      vertex -7.57911e-016 -2.2 0
+      vertex 0 -2.2 0
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+      vertex 0 2.2 5
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@@ -143,56 +143,56 @@ solid OpenSCAD_Model
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       vertex -0.491283 -4.67425 7.53575
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       vertex -0.491283 -4.67425 5
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@@ -405,34 +405,6 @@ solid OpenSCAD_Model
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+  facet normal 0 -1 -0
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@@ -1833,14 +1805,14 @@ solid OpenSCAD_Model
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@@ -2761,7 +2733,7 @@ solid OpenSCAD_Model
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       vertex -15.5577 -7.18975 0
       vertex -0.489546 -2.14484 0
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+      vertex 0 -2.2 0
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@@ -2809,17 +2781,10 @@ solid OpenSCAD_Model
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@@ -2827,6 +2792,13 @@ solid OpenSCAD_Model
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@@ -3265,7 +3237,7 @@ solid OpenSCAD_Model
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       vertex -0.491283 4.67425 14.3898
-      vertex 1.61917e-015 4.7 14.3898
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@@ -3362,7 +3334,7 @@ solid OpenSCAD_Model
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       vertex -15.5577 7.2 14.3898
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+      vertex 0 4.7 14.3898
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@@ -4528,28 +4500,28 @@ solid OpenSCAD_Model
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diff --git a/dibond/stls/printed/ribbon_clamps.stl b/dibond/stls/printed/ribbon_clamps.stl
index e1cc0a4..57323af 100644
--- a/dibond/stls/printed/ribbon_clamps.stl
+++ b/dibond/stls/printed/ribbon_clamps.stl
@@ -1,36 +1,36 @@
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@@ -52,84 +52,84 @@ solid OpenSCAD_Model
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       vertex -12.0151 -23.504 4
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   endfacet
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   endfacet
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+  endfacet
   facet normal 0 0 1
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       vertex -12.85 17.16 8
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   endfacet
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     outer loop
       vertex -13.866 26.9721 8
       vertex -13.3599 27.0387 8
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       vertex -14.35 -15.5552 7.995
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   endfacet
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   facet normal 0 0 1
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       vertex -13.866 15.4479 8
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   endfacet
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       vertex -14.3644 26.8616 8
       vertex -13.866 26.9721 8
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   facet normal 0 0 1
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   endfacet
   facet normal 0.34202 -0.939693 0
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       vertex -14.3644 -15.5584 3.2
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   endfacet
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       vertex -12.85 17.16 8
     endloop
   endfacet
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+  facet normal 0 0 -1
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       vertex -14.8512 26.7081 8
       vertex -14.3644 26.8616 8
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   facet normal 0.866025 -0.5 0
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       vertex -15.2541 -20.7861 4
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       vertex -15.2541 21.6339 4
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       vertex -1.71044 15.9606 7
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       vertex -2.16985 16.1543 7
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       vertex -2.77128 19.06 7
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   facet normal 0 0 1
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       vertex -2.6077 16.3927 7
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       vertex -2.39175 -16.268 7
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       vertex 4.74058 19.0672 7
@@ -24296,6 +24429,20 @@ solid OpenSCAD_Model
       vertex 4.87561 19.5472 7
     endloop
   endfacet
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+      vertex 4.81408 -19.3055 0
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+  endfacet
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@@ -24324,48 +24471,48 @@ solid OpenSCAD_Model
       vertex 4.92502 -19.7916 3.2
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+  endfacet
   facet normal 0 0 -1
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       vertex 4.87561 19.5472 1.90735e-007
@@ -24373,13 +24520,6 @@ solid OpenSCAD_Model
       vertex 4.99845 17.51 1.90735e-007
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@@ -24394,13 +24534,6 @@ solid OpenSCAD_Model
       vertex 4.87561 19.5472 7
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     outer loop
       vertex 4.87561 19.5472 7
@@ -24408,6 +24541,20 @@ solid OpenSCAD_Model
       vertex 4.96219 20.0382 7
     endloop
   endfacet
+  facet normal 0.992239 0.124344 0
+    outer loop
+      vertex 4.92502 -19.7916 0
+      vertex 4.92502 -19.7916 1.90735e-007
+      vertex 4.98702 -20.2863 1.90735e-007
+    endloop
+  endfacet
+  facet normal 0.992239 0.124344 0
+    outer loop
+      vertex 4.92502 -19.7916 0
+      vertex 4.98702 -20.2863 1.90735e-007
+      vertex 4.98702 -20.2863 0
+    endloop
+  endfacet
   facet normal 0 0 -1
     outer loop
       vertex 4.92502 -19.7916 1.90735e-007
@@ -24438,46 +24585,46 @@ solid OpenSCAD_Model
   endfacet
   facet normal 0.992239 0.124344 0
     outer loop
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-  endfacet
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-      vertex 4.92502 21.5284 6.03121e-016
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-      vertex 4.99944 -20.7847 6.12235e-016
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       vertex 4.96219 -21.2818 7
-      vertex 4.99944 -20.7847 6.12235e-016
+      vertex 4.99944 -20.7847 0
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   endfacet
+  facet normal 0.997204 -0.0747298 0
+    outer loop
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+      vertex 4.99845 20.522 1.90735e-007
+      vertex 4.96219 20.0382 1.90735e-007
+    endloop
+  endfacet
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+    outer loop
+      vertex 4.96219 20.0382 0
+      vertex 4.99944 20.5353 0
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+    endloop
+  endfacet
   facet normal 0 0 -1
     outer loop
       vertex 4.96219 20.0382 1.90735e-007
@@ -24499,20 +24646,6 @@ solid OpenSCAD_Model
       vertex 4.96219 20.0382 7
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     outer loop
       vertex 4.96219 20.0382 7
@@ -24520,6 +24653,20 @@ solid OpenSCAD_Model
       vertex 4.99944 20.5353 7
     endloop
   endfacet
+  facet normal 0.999689 0.0249303 0
+    outer loop
+      vertex 4.98702 -20.2863 0
+      vertex 4.98702 -20.2863 1.90735e-007
+      vertex 4.99845 -20.7446 1.90735e-007
+    endloop
+  endfacet
+  facet normal 0.999668 0.0249298 0.0065036
+    outer loop
+      vertex 4.98702 -20.2863 0
+      vertex 4.99845 -20.7446 1.90735e-007
+      vertex 4.99944 -20.7847 0
+    endloop
+  endfacet
   facet normal 0 0 -1
     outer loop
       vertex 4.98702 -20.2863 1.90735e-007
@@ -24541,20 +24688,6 @@ solid OpenSCAD_Model
       vertex 4.99845 20.522 3.2
     endloop
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@@ -24564,16 +24697,16 @@ solid OpenSCAD_Model
   endfacet
   facet normal 0.999689 0.0249303 0
     outer loop
-      vertex 4.98702 21.0337 6.10713e-016
+      vertex 4.98702 21.0337 0
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       vertex 4.99944 20.5353 7
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   facet normal 0.999689 0.0249303 0
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-      vertex 4.98702 21.0337 6.10713e-016
+      vertex 4.98702 21.0337 0
       vertex 4.99944 20.5353 7
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+      vertex 4.99944 20.5353 0
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   endfacet
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@@ -24601,7 +24734,7 @@ solid OpenSCAD_Model
     outer loop
       vertex 4.99845 -20.7446 1.90735e-007
       vertex 4.99845 -20.7446 3.2
-      vertex 4.99944 -20.7847 6.12235e-016
+      vertex 4.99944 -20.7847 0
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   endfacet
   facet normal 1 -0 0
@@ -24615,7 +24748,7 @@ solid OpenSCAD_Model
     outer loop
       vertex 4.99845 -20.7446 3.2
       vertex 4.99944 -20.7847 7
-      vertex 4.99944 -20.7847 6.12235e-016
+      vertex 4.99944 -20.7847 0
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   endfacet
   facet normal 1 0 0
@@ -24635,148 +24768,15 @@ solid OpenSCAD_Model
   facet normal 0.997204 -0.0747332 0
     outer loop
       vertex 4.99845 20.522 1.90735e-007
-      vertex 4.99944 20.5353 6.12235e-016
+      vertex 4.99944 20.5353 0
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   endfacet
   facet normal 0.997204 -0.0747332 0
     outer loop
       vertex 4.99845 20.522 3.2
-      vertex 4.99944 20.5353 6.12235e-016
+      vertex 4.99944 20.5353 0
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 endsolid OpenSCAD_Model
diff --git a/dibond/stls/printed/small_bits.stl b/dibond/stls/printed/small_bits.stl
index 97fa20f..ee380e8 100644
--- a/dibond/stls/printed/small_bits.stl
+++ b/dibond/stls/printed/small_bits.stl
@@ -3,28 +3,28 @@ solid OpenSCAD_Model
     outer loop
       vertex -0.0323458 -7.75918 0
       vertex -0.0323458 -7.75918 6
-      vertex -1.88738e-015 -8.5 6
+      vertex 0 -8.5 6
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     outer loop
       vertex -0.0323458 -7.75918 0
-      vertex -1.88738e-015 -8.5 6
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   endfacet
   facet normal 0.999048 -0.0436203 0
     outer loop
       vertex -0.0323458 -9.24082 0
-      vertex -1.88738e-015 -8.5 0
+      vertex 0 -8.5 0
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     outer loop
       vertex -0.0323458 -9.24082 6
-      vertex -1.88738e-015 -8.5 0
-      vertex -1.88738e-015 -8.5 6
+      vertex 0 -8.5 0
+      vertex 0 -8.5 6
     endloop
   endfacet
   facet normal 0.991445 0.130525 0
@@ -1532,14 +1532,14 @@ solid OpenSCAD_Model
       vertex -11.4072 -16.4874 0
     endloop
   endfacet
-  facet normal -0.382684 -0.923879 -0
+  facet normal -0.382682 -0.92388 -0
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     endloop
   endfacet
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+  facet normal -0.382682 -0.92388 0
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       vertex -12.0923 -16.2036 0
       vertex -11.4072 -16.4874 6
@@ -1630,14 +1630,14 @@ solid OpenSCAD_Model
       vertex -12.0923 -16.2036 0
     endloop
   endfacet
-  facet normal -0.461748 -0.887011 -0
+  facet normal -0.46175 -0.88701 -0
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     endloop
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+  facet normal -0.46175 -0.88701 0
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       vertex -12.75 -15.8612 0
       vertex -12.0923 -16.2036 6
@@ -2841,18 +2841,11 @@ solid OpenSCAD_Model
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     outer loop
       vertex -17.6 3.00001 2
       vertex -17.6 7.95829 3.45461
-      vertex -17.6 7.93948 3.45602
+      vertex -17.6 7.46784 3.49137
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   endfacet
   facet normal 1 0 0
@@ -2893,13 +2886,6 @@ solid OpenSCAD_Model
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       vertex -17.6 8.51844 6.74999
-      vertex -17.6 8.53697 6.73146
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       vertex -17.6 9.00172 6.26672
       vertex -17.6 12.67 10.2
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@@ -4136,7 +4122,7 @@ solid OpenSCAD_Model
       vertex -21.435 6.62547 3.97772
     endloop
   endfacet
-  facet normal 1 -5.48796e-006 9.52019e-007
+  facet normal 1 0 0
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       vertex -21.435 6.62547 3.97772
@@ -4171,17 +4157,10 @@ solid OpenSCAD_Model
       vertex -21.435 7.01 3.67106
     endloop
   endfacet
-  facet normal 1 0 -0
+  facet normal 1 0 0
     outer loop
       vertex -21.435 6.62547 3.97772
       vertex -21.435 7.01 3.67106
-      vertex -21.435 8.9895 6.25449
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       vertex -21.435 6.674 6.26099
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   endfacet
@@ -4220,7 +4199,7 @@ solid OpenSCAD_Model
       vertex -21.435 6.674 6.26099
     endloop
   endfacet
-  facet normal 1 0 0
+  facet normal 1 0 -0
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@@ -4234,7 +4213,42 @@ solid OpenSCAD_Model
       vertex -17.6 6.66828 6.26672
     endloop
   endfacet
-  facet normal 1 -8.21482e-007 8.02257e-007
+  facet normal 1 0 0
+    outer loop
+      vertex -21.435 6.674 6.26099
+      vertex -21.435 7.01 3.67106
+      vertex -21.435 7.46784 3.49137
+    endloop
+  endfacet
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+    outer loop
+      vertex -21.435 6.674 6.26099
+      vertex -21.435 7.46784 3.49137
+      vertex -21.435 7.95829 3.45461
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+  endfacet
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+      vertex -21.435 8.4378 3.56406
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+  endfacet
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+    outer loop
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+      vertex -21.435 8.4378 3.56406
+      vertex -21.435 8.86375 3.80999
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+  endfacet
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   endfacet
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   endfacet
   facet normal 1 0 0
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     outer loop
       vertex -21.435 9.00172 6.26672
       vertex -17.6 9.00172 6.26672
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       vertex -23.5 -2.41864 2.8
       vertex -21.99 -3.14582 2.8
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   facet normal 0 0 -1
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       vertex -23.5 -2.41864 3.8147e-007
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       vertex -22 -18 3.8147e-007
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   endfacet
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@@ -6506,7 +6478,7 @@ solid OpenSCAD_Model
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       vertex -25.01 -3.14582 2.8
       vertex -23.5 -2.41864 2.8
-      vertex -25 5.55112e-015 2.8
+      vertex -25 0 2.8
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   facet normal 0 0 -1
     outer loop
       vertex -25.01 -3.14582 3.8147e-007
-      vertex -25 5.55112e-015 3.8147e-007
+      vertex -25 0 3.8147e-007
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       vertex -25.4938 -0.0409241 2.8
-      vertex -25 5.55112e-015 2.8
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       vertex -25.4938 -0.0409241 3.8147e-007
       vertex -25.4938 -0.0409241 2.8
-      vertex -25 5.55112e-015 3.8147e-007
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     outer loop
       vertex -4.1459 -8.09653 0
       vertex -0.0323458 -7.75918 0
-      vertex -1.88738e-015 -8.5 0
+      vertex 0 -8.5 0
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   facet normal 0 0 -1
     outer loop
       vertex -4.1459 -8.09653 0
-      vertex -1.88738e-015 -8.5 0
+      vertex 0 -8.5 0
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       vertex -4.1459 -8.09653 6
       vertex -0.0323458 -9.24082 6
-      vertex -1.88738e-015 -8.5 6
+      vertex 0 -8.5 6
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   facet normal -0 0 1
     outer loop
       vertex -4.1459 -8.09653 6
-      vertex -1.88738e-015 -8.5 6
+      vertex 0 -8.5 6
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       vertex -4.25 -1.13878 0
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       vertex -4.90775 -0.796384 0
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       vertex -7.02399 -0.129134 0
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       vertex -7.75918 -16.9677 0
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+  facet normal 0.0436191 -0.999048 0
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@@ -10817,7 +10789,7 @@ solid OpenSCAD_Model
   facet normal 0 0 -1
     outer loop
       vertex -8.5 -4.12725 0
-      vertex -8.5 1.88738e-015 0
+      vertex -8.5 0 0
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@@ -10839,19 +10811,19 @@ solid OpenSCAD_Model
     outer loop
       vertex -8.5 -4.12725 6
       vertex -7.75918 -0.0323458 6
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   facet normal 0 0 -1
     outer loop
       vertex -9.24082 -0.0323458 0
-      vertex -8.5 1.88738e-015 0
+      vertex -8.5 0 0
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     outer loop
       vertex -9.24082 -0.0323458 0
       vertex -9.24082 -0.0323458 6
-      vertex -8.5 1.88738e-015 0
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@@ -11479,14 +11451,14 @@ solid OpenSCAD_Model
       vertex -9.24082 -0.0323458 0
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       vertex 17.8012 11.1239 4.38
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@@ -19099,27 +19071,27 @@ solid OpenSCAD_Model
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       vertex 21.5062 -0.0409241 2.8
       vertex 21.99 -3.14582 2.8
-      vertex 22 -4.88498e-015 2.8
+      vertex 22 0 2.8
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+      vertex 22 0 3.8147e-007
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@@ -19151,7 +19123,7 @@ solid OpenSCAD_Model
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@@ -19165,7 +19137,7 @@ solid OpenSCAD_Model
       vertex 22.662 -15.3901 2.8
     endloop
   endfacet
-  facet normal 0.974928 -0.22252 0
+  facet normal 0.974928 -0.222521 0
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       vertex 21.6171 -14.0798 3.8147e-007
       vertex 21.99 -12.4458 3.8147e-007
@@ -19179,7 +19151,7 @@ solid OpenSCAD_Model
       vertex 22.662 -15.3901 3.8147e-007
     endloop
   endfacet
-  facet normal 0.974928 -0.22252 0
+  facet normal 0.974928 -0.222521 0
     outer loop
       vertex 21.6171 -4.77977 2.8
       vertex 21.99 -3.14582 3.8147e-007
@@ -19200,7 +19172,7 @@ solid OpenSCAD_Model
       vertex 22.662 -6.0901 2.8
     endloop
   endfacet
-  facet normal 0.974928 -0.22252 0
+  facet normal 0.974928 -0.222521 0
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       vertex 21.6171 -4.77977 3.8147e-007
       vertex 21.99 -3.14582 3.8147e-007
@@ -19221,7 +19193,7 @@ solid OpenSCAD_Model
       vertex 21.99 -12.4458 3.8147e-007
     endloop
   endfacet
-  facet normal 0.433883 -0.900969 0
+  facet normal 0.433884 -0.900969 0
     outer loop
       vertex 21.99 -12.4458 2.8
       vertex 23 -11.9594 2.79
@@ -19242,14 +19214,14 @@ solid OpenSCAD_Model
       vertex 23.5 -11.7186 3.8147e-007
     endloop
   endfacet
-  facet normal 0.433883 -0.900969 0
+  facet normal 0.433884 -0.900969 0
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       vertex 21.99 -12.4458 3.8147e-007
       vertex 23 -11.9594 2.79
       vertex 21.99 -12.4458 2.8
     endloop
   endfacet
-  facet normal 0.433884 -0.900969 -8.113e-008
+  facet normal 0.433884 -0.900969 1.70884e-008
     outer loop
       vertex 21.99 -12.4458 3.8147e-007
       vertex 23.5 -11.7186 3.8147e-007
@@ -19260,13 +19232,13 @@ solid OpenSCAD_Model
     outer loop
       vertex 21.99 -3.14582 2.8
       vertex 23.5 -2.41864 2.8
-      vertex 22 -4.88498e-015 2.8
+      vertex 22 0 2.8
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   endfacet
   facet normal 0 0 -1
     outer loop
       vertex 21.99 -3.14582 3.8147e-007
-      vertex 22 -4.88498e-015 3.8147e-007
+      vertex 22 0 3.8147e-007
       vertex 23.5 -2.41864 3.8147e-007
     endloop
   endfacet
@@ -19340,31 +19312,31 @@ solid OpenSCAD_Model
       vertex 25 -18 2.8
     endloop
   endfacet
-  facet normal 0 0 1
+  facet normal -0 0 1
     outer loop
-      vertex 22 -4.88498e-015 2.8
+      vertex 22 0 2.8
       vertex 23.5 -2.41864 2.8
-      vertex 25 -5.55112e-015 2.8
+      vertex 25 0 2.8
     endloop
   endfacet
-  facet normal 2.22045e-016 1 -0
+  facet normal 0 1 -0
     outer loop
-      vertex 22 -4.88498e-015 2.8
-      vertex 25 -5.55112e-015 2.8
-      vertex 25 -5.55112e-015 3.8147e-007
+      vertex 22 0 2.8
+      vertex 25 0 2.8
+      vertex 25 0 3.8147e-007
     endloop
   endfacet
-  facet normal 2.22045e-016 1 0
+  facet normal 0 1 0
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-      vertex 22 -4.88498e-015 3.8147e-007
-      vertex 22 -4.88498e-015 2.8
-      vertex 25 -5.55112e-015 3.8147e-007
+      vertex 22 0 3.8147e-007
+      vertex 22 0 2.8
+      vertex 25 0 3.8147e-007
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   endfacet
   facet normal 0 0 -1
     outer loop
-      vertex 22 -4.88498e-015 3.8147e-007
-      vertex 25 -5.55112e-015 3.8147e-007
+      vertex 22 0 3.8147e-007
+      vertex 25 0 3.8147e-007
       vertex 23.5 -2.41864 3.8147e-007
     endloop
   endfacet
@@ -19603,13 +19575,13 @@ solid OpenSCAD_Model
     outer loop
       vertex 23.5 -2.41864 2.8
       vertex 25.01 -3.14582 2.8
-      vertex 25 -5.55112e-015 2.8
+      vertex 25 0 2.8
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   endfacet
   facet normal 0 0 -1
     outer loop
       vertex 23.5 -2.41864 3.8147e-007
-      vertex 25 -5.55112e-015 3.8147e-007
+      vertex 25 0 3.8147e-007
       vertex 25.01 -3.14582 3.8147e-007
     endloop
   endfacet
@@ -19921,34 +19893,6 @@ solid OpenSCAD_Model
       vertex 25.4938 -17.9591 2.8
     endloop
   endfacet
-  facet normal 0 0 1
-    outer loop
-      vertex 25 -5.55112e-015 2.8
-      vertex 25.01 -3.14582 2.8
-      vertex 25.4938 -0.0409241 2.8
-    endloop
-  endfacet
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-      vertex 25.4938 -0.0409241 2.8
-      vertex 25.4938 -0.0409241 3.8147e-007
-    endloop
-  endfacet
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-      vertex 25 -5.55112e-015 2.8
-      vertex 25.4938 -0.0409241 3.8147e-007
-    endloop
-  endfacet
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-      vertex 25.4938 -0.0409241 3.8147e-007
-      vertex 25.01 -3.14582 3.8147e-007
-    endloop
-  endfacet
   facet normal 0 1 0
     outer loop
       vertex 25 -6 2.8
@@ -19977,6 +19921,34 @@ solid OpenSCAD_Model
       vertex 26 -6 2.8
     endloop
   endfacet
+  facet normal 0 0 1
+    outer loop
+      vertex 25 0 2.8
+      vertex 25.01 -3.14582 2.8
+      vertex 25.4938 -0.0409241 2.8
+    endloop
+  endfacet
+  facet normal 0.0825969 0.996583 -0
+    outer loop
+      vertex 25 0 2.8
+      vertex 25.4938 -0.0409241 2.8
+      vertex 25.4938 -0.0409241 3.8147e-007
+    endloop
+  endfacet
+  facet normal 0.0825969 0.996583 0
+    outer loop
+      vertex 25 0 3.8147e-007
+      vertex 25 0 2.8
+      vertex 25.4938 -0.0409241 3.8147e-007
+    endloop
+  endfacet
+  facet normal 0 0 -1
+    outer loop
+      vertex 25 0 3.8147e-007
+      vertex 25.4938 -0.0409241 3.8147e-007
+      vertex 25.01 -3.14582 3.8147e-007
+    endloop
+  endfacet
   facet normal 0 0 1
     outer loop
       vertex 25.01 -12.4458 2.8
diff --git a/dibond/stls/printed/spool_holder_brackets.stl b/dibond/stls/printed/spool_holder_brackets.stl
index c51a3e1..7ad10c2 100644
--- a/dibond/stls/printed/spool_holder_brackets.stl
+++ b/dibond/stls/printed/spool_holder_brackets.stl
@@ -9624,14 +9624,14 @@ solid OpenSCAD_Model
       vertex -51.9966 62.2997 2
     endloop
   endfacet
-  facet normal -0.996194 0.087161 0
+  facet normal -0.996195 0.0871532 0
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       vertex -51.9966 61.3308 2
       vertex -51.9542 61.8153 6
       vertex -51.9542 61.8153 2
     endloop
   endfacet
-  facet normal -0.996194 0.087161 0
+  facet normal -0.996195 0.0871532 0
     outer loop
       vertex -51.9966 61.3308 2
       vertex -51.9966 61.3308 6
@@ -9659,14 +9659,14 @@ solid OpenSCAD_Model
       vertex -35.0724 55.5982 6
     endloop
   endfacet
-  facet normal -0.996194 -0.087161 0
+  facet normal -0.996195 -0.0871532 0
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       vertex -51.9966 62.2997 2
       vertex -51.9542 61.8153 2
       vertex -51.9966 62.2997 6
     endloop
   endfacet
-  facet normal -0.996194 -0.087161 0
+  facet normal -0.996195 -0.0871532 0
     outer loop
       vertex -51.9966 62.2997 6
       vertex -51.9542 61.8153 2
@@ -10289,14 +10289,14 @@ solid OpenSCAD_Model
       vertex -53.2017 35.4444 6
     endloop
   endfacet
-  facet normal -0.573572 -0.819155 -0
+  facet normal -0.573576 -0.819152 -0
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       vertex -53.3492 -59.399 2
       vertex -52.9508 -59.678 2
       vertex -52.9508 -59.678 6
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   endfacet
-  facet normal -0.573572 -0.819155 0
+  facet normal -0.573576 -0.819152 0
     outer loop
       vertex -53.3492 -59.399 2
       vertex -52.9508 -59.678 6
@@ -10331,14 +10331,14 @@ solid OpenSCAD_Model
       vertex -53.3492 -59.399 2
     endloop
   endfacet
-  facet normal -0.573572 0.819155 0
+  facet normal -0.573576 0.819152 0
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       vertex -53.3492 -64.2315 2
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       vertex -52.9508 -63.9525 2
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   endfacet
-  facet normal -0.573572 0.819155 0
+  facet normal -0.573576 0.819152 0
     outer loop
       vertex -53.3492 -64.2315 6
       vertex -52.9508 -63.9525 6
@@ -10436,14 +10436,14 @@ solid OpenSCAD_Model
       vertex -53.6921 35.4898 6
     endloop
   endfacet
-  facet normal -0.422621 -0.906307 -0
+  facet normal -0.422618 -0.906308 -0
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       vertex -53.3492 -59.399 6
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   endfacet
-  facet normal -0.422621 -0.906307 0
+  facet normal -0.422618 -0.906308 0
     outer loop
       vertex -53.79 -59.1935 2
       vertex -53.3492 -59.399 6
@@ -10478,14 +10478,14 @@ solid OpenSCAD_Model
       vertex -53.79 -59.1935 2
     endloop
   endfacet
-  facet normal -0.422627 0.906304 0
+  facet normal -0.422624 0.906305 0
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       vertex -53.3492 -64.2315 2
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   endfacet
-  facet normal -0.422627 0.906304 0
+  facet normal -0.422624 0.906305 0
     outer loop
       vertex -53.79 -64.437 6
       vertex -53.3492 -64.2315 6
@@ -11024,14 +11024,14 @@ solid OpenSCAD_Model
       vertex -55.1447 35.2643 6
     endloop
   endfacet
-  facet normal 0.0871525 -0.996195 0
+  facet normal 0.0871532 -0.996195 0
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       vertex -54.7442 -59.0253 6
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-  facet normal 0.0871525 -0.996195 0
+  facet normal 0.0871532 -0.996195 0
     outer loop
       vertex -55.2287 -59.0676 2
       vertex -54.7442 -59.0253 6
@@ -11052,14 +11052,14 @@ solid OpenSCAD_Model
       vertex -55.2287 -59.0676 2
     endloop
   endfacet
-  facet normal 0.0871603 0.996194 0
+  facet normal 0.087161 0.996194 0
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       vertex -54.7442 -64.6053 2
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-  facet normal 0.0871603 0.996194 -0
+  facet normal 0.087161 0.996194 -0
     outer loop
       vertex -55.2287 -64.5629 6
       vertex -54.7442 -64.6053 6
@@ -11339,14 +11339,14 @@ solid OpenSCAD_Model
       vertex -56.0247 34.8261 6
     endloop
   endfacet
-  facet normal 0.422621 -0.906307 0
+  facet normal 0.422618 -0.906308 0
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-  facet normal 0.422621 -0.906307 0
+  facet normal 0.422618 -0.906308 0
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       vertex -56.1392 -59.399 2
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@@ -11367,14 +11367,14 @@ solid OpenSCAD_Model
       vertex -56.1392 -59.399 2
     endloop
   endfacet
-  facet normal 0.422627 0.906304 0
+  facet normal 0.422624 0.906305 0
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+  facet normal 0.422624 0.906305 -0
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       vertex -56.1392 -64.2315 6
       vertex -55.6984 -64.437 6
@@ -11486,14 +11486,14 @@ solid OpenSCAD_Model
       vertex -56.4177 34.5293 6
     endloop
   endfacet
-  facet normal 0.573572 -0.819155 0
+  facet normal 0.573576 -0.819152 0
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+  facet normal 0.573576 -0.819152 0
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       vertex -56.1392 -59.399 6
@@ -11514,14 +11514,14 @@ solid OpenSCAD_Model
       vertex -56.5376 -59.678 2
     endloop
   endfacet
-  facet normal 0.573572 0.819155 0
+  facet normal 0.573576 0.819152 0
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       vertex -56.1392 -64.2315 2
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+  facet normal 0.573576 0.819152 -0
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       vertex -56.5376 -63.9525 6
       vertex -56.1392 -64.2315 6
@@ -11640,7 +11640,7 @@ solid OpenSCAD_Model
       vertex -56.7713 34.1865 6
     endloop
   endfacet
-  facet normal 0.707111 -0.707103 0
+  facet normal 0.707107 -0.707107 0
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       vertex -56.8815 -60.0219 2
       vertex -56.5376 -59.678 2
@@ -11654,7 +11654,7 @@ solid OpenSCAD_Model
       vertex -56.5376 -59.678 2
     endloop
   endfacet
-  facet normal 0.707111 -0.707103 0
+  facet normal 0.707107 -0.707107 0
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       vertex -56.8815 -60.0219 6
       vertex -56.5376 -59.678 2
@@ -11668,14 +11668,14 @@ solid OpenSCAD_Model
       vertex -56.8815 -60.0219 2
     endloop
   endfacet
-  facet normal 0.707111 0.707103 0
+  facet normal 0.707107 0.707107 0
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       vertex -56.5376 -63.9525 2
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   endfacet
-  facet normal 0.707111 0.707103 0
+  facet normal 0.707107 0.707107 0
     outer loop
       vertex -56.8815 -63.6086 2
       vertex -56.8815 -63.6086 6
@@ -11780,7 +11780,7 @@ solid OpenSCAD_Model
       vertex -56.7713 34.1865 6
     endloop
   endfacet
-  facet normal 0.819149 -0.573581 0
+  facet normal 0.819152 -0.573576 0
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       vertex -56.8815 -60.0219 2
@@ -11794,7 +11794,7 @@ solid OpenSCAD_Model
       vertex -56.8815 -60.0219 2
     endloop
   endfacet
-  facet normal 0.819149 -0.573581 0
+  facet normal 0.819152 -0.573576 0
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       vertex -57.1604 -60.4203 6
       vertex -56.8815 -60.0219 2
@@ -11808,14 +11808,14 @@ solid OpenSCAD_Model
       vertex -57.1604 -60.4203 2
     endloop
   endfacet
-  facet normal 0.819149 0.573581 0
+  facet normal 0.819152 0.573576 0
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       vertex -56.8815 -63.6086 2
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+  facet normal 0.819152 0.573576 0
     outer loop
       vertex -57.1604 -63.2103 2
       vertex -57.1604 -63.2103 6
@@ -12032,7 +12032,7 @@ solid OpenSCAD_Model
       vertex -57.08 33.8028 6
     endloop
   endfacet
-  facet normal 0.906311 -0.422611 0
+  facet normal 0.906308 -0.422618 0
     outer loop
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       vertex -57.1604 -60.4203 2
@@ -12046,7 +12046,7 @@ solid OpenSCAD_Model
       vertex -57.1604 -60.4203 2
     endloop
   endfacet
-  facet normal 0.906311 -0.422611 0
+  facet normal 0.906308 -0.422618 0
     outer loop
       vertex -57.3659 -60.861 6
       vertex -57.1604 -60.4203 2
@@ -12060,14 +12060,14 @@ solid OpenSCAD_Model
       vertex -57.3659 -60.861 2
     endloop
   endfacet
-  facet normal 0.90631 0.422614 0
+  facet normal 0.906307 0.422621 0
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       vertex -57.1604 -63.2103 6
       vertex -57.1604 -63.2103 2
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-  facet normal 0.90631 0.422614 0
+  facet normal 0.906307 0.422621 0
     outer loop
       vertex -57.3659 -62.7695 2
       vertex -57.3659 -62.7695 6
@@ -35678,14 +35678,14 @@ solid OpenSCAD_Model
       vertex 52.2561 -35.1754 6
     endloop
   endfacet
-  facet normal 0.996194 0.087161 0
+  facet normal 0.996195 0.0871532 0
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       vertex 51.9542 -61.8153 6
       vertex 51.9966 -62.2997 6
     endloop
   endfacet
-  facet normal 0.996194 -0.087161 0
+  facet normal 0.996195 -0.0871532 0
     outer loop
       vertex 51.9542 -61.8153 2
       vertex 51.9966 -61.3308 2
@@ -35699,14 +35699,14 @@ solid OpenSCAD_Model
       vertex 51.9966 -61.3308 2
     endloop
   endfacet
-  facet normal 0.996194 0.087161 0
+  facet normal 0.996195 0.0871532 0
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       vertex 51.9966 -62.2997 6
       vertex 51.9966 -62.2997 2
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   endfacet
-  facet normal 0.996194 -0.087161 0
+  facet normal 0.996195 -0.0871532 0
     outer loop
       vertex 51.9542 -61.8153 6
       vertex 51.9966 -61.3308 2
@@ -36252,7 +36252,7 @@ solid OpenSCAD_Model
       vertex 53.3492 -64.2315 2
     endloop
   endfacet
-  facet normal 0.573572 0.819155 0
+  facet normal 0.573576 0.819152 0
     outer loop
       vertex 52.9508 59.678 2
       vertex 52.9508 59.678 6
@@ -36266,7 +36266,7 @@ solid OpenSCAD_Model
       vertex 52.9508 63.9525 2
     endloop
   endfacet
-  facet normal 0.573572 0.819155 -0
+  facet normal 0.573576 0.819152 -0
     outer loop
       vertex 52.9508 59.678 6
       vertex 53.3492 59.399 6
@@ -36280,14 +36280,14 @@ solid OpenSCAD_Model
       vertex 53.3492 64.2315 2
     endloop
   endfacet
-  facet normal 0.573572 -0.819155 0
+  facet normal 0.573576 -0.819152 0
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+  facet normal 0.573576 -0.819152 0
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       vertex 53.3492 64.2315 6
@@ -36406,7 +36406,7 @@ solid OpenSCAD_Model
       vertex 53.79 -64.437 2
     endloop
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-  facet normal 0.422621 0.906307 0
+  facet normal 0.422618 0.906308 0
     outer loop
       vertex 53.3492 59.399 2
       vertex 53.3492 59.399 6
@@ -36420,7 +36420,7 @@ solid OpenSCAD_Model
       vertex 53.3492 64.2315 2
     endloop
   endfacet
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+  facet normal 0.422618 0.906308 -0
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       vertex 53.3492 59.399 6
       vertex 53.79 59.1935 6
@@ -36434,14 +36434,14 @@ solid OpenSCAD_Model
       vertex 53.79 64.437 2
     endloop
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+  facet normal 0.422624 -0.906305 0
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+  facet normal 0.422624 -0.906305 0
     outer loop
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       vertex 53.79 64.437 6
@@ -36889,7 +36889,7 @@ solid OpenSCAD_Model
       vertex 55.2287 -64.5629 2
     endloop
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+  facet normal -0.0871532 0.996195 0
     outer loop
       vertex 54.7442 59.0253 2
       vertex 54.7442 59.0253 6
@@ -36903,7 +36903,7 @@ solid OpenSCAD_Model
       vertex 54.7442 64.6053 2
     endloop
   endfacet
-  facet normal -0.0871525 0.996195 0
+  facet normal -0.0871532 0.996195 0
     outer loop
       vertex 54.7442 59.0253 6
       vertex 55.2287 59.0676 6
@@ -36924,14 +36924,14 @@ solid OpenSCAD_Model
       vertex 55.2287 64.5629 2
     endloop
   endfacet
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+  facet normal -0.087161 -0.996194 -0
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+  facet normal -0.087161 -0.996194 0
     outer loop
       vertex 54.7442 64.6053 2
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@@ -37309,7 +37309,7 @@ solid OpenSCAD_Model
       vertex 56.1392 -64.2315 6
     endloop
   endfacet
-  facet normal -0.422621 0.906307 0
+  facet normal -0.422618 0.906308 0
     outer loop
       vertex 55.6984 59.1935 2
       vertex 55.6984 59.1935 6
@@ -37323,7 +37323,7 @@ solid OpenSCAD_Model
       vertex 55.6984 64.437 2
     endloop
   endfacet
-  facet normal -0.422621 0.906307 0
+  facet normal -0.422618 0.906308 0
     outer loop
       vertex 55.6984 59.1935 6
       vertex 56.1392 59.399 6
@@ -37344,14 +37344,14 @@ solid OpenSCAD_Model
       vertex 56.1392 64.2315 2
     endloop
   endfacet
-  facet normal -0.422627 -0.906304 -0
+  facet normal -0.422624 -0.906305 -0
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       vertex 56.1392 64.2315 2
       vertex 56.1392 64.2315 6
     endloop
   endfacet
-  facet normal -0.422627 -0.906304 0
+  facet normal -0.422624 -0.906305 0
     outer loop
       vertex 55.6984 64.437 2
       vertex 56.1392 64.2315 6
@@ -37645,7 +37645,7 @@ solid OpenSCAD_Model
       vertex 56.5376 -63.9525 6
     endloop
   endfacet
-  facet normal -0.573572 0.819155 0
+  facet normal -0.573576 0.819152 0
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       vertex 56.1392 59.399 2
       vertex 56.1392 59.399 6
@@ -37659,7 +37659,7 @@ solid OpenSCAD_Model
       vertex 56.1392 64.2315 2
     endloop
   endfacet
-  facet normal -0.573572 0.819155 0
+  facet normal -0.573576 0.819152 0
     outer loop
       vertex 56.1392 59.399 6
       vertex 56.5376 59.678 6
@@ -37680,14 +37680,14 @@ solid OpenSCAD_Model
       vertex 56.5376 63.9525 2
     endloop
   endfacet
-  facet normal -0.573572 -0.819155 -0
+  facet normal -0.573576 -0.819152 -0
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       vertex 56.1392 64.2315 2
       vertex 56.5376 63.9525 2
       vertex 56.5376 63.9525 6
     endloop
   endfacet
-  facet normal -0.573572 -0.819155 0
+  facet normal -0.573576 -0.819152 0
     outer loop
       vertex 56.1392 64.2315 2
       vertex 56.5376 63.9525 6
@@ -37869,7 +37869,7 @@ solid OpenSCAD_Model
       vertex 56.8815 -63.6086 6
     endloop
   endfacet
-  facet normal -0.707111 0.707103 0
+  facet normal -0.707107 0.707107 0
     outer loop
       vertex 56.5376 59.678 2
       vertex 56.5376 59.678 6
@@ -37883,7 +37883,7 @@ solid OpenSCAD_Model
       vertex 56.5376 63.9525 2
     endloop
   endfacet
-  facet normal -0.707111 0.707103 0
+  facet normal -0.707107 0.707107 0
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       vertex 56.5376 59.678 2
       vertex 56.8815 60.0219 6
@@ -37904,14 +37904,14 @@ solid OpenSCAD_Model
       vertex 56.8815 63.6086 2
     endloop
   endfacet
-  facet normal -0.707111 -0.707103 0
+  facet normal -0.707107 -0.707107 0
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       vertex 56.5376 63.9525 2
       vertex 56.8815 63.6086 2
       vertex 56.5376 63.9525 6
     endloop
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-  facet normal -0.707111 -0.707103 0
+  facet normal -0.707107 -0.707107 0
     outer loop
       vertex 56.5376 63.9525 6
       vertex 56.8815 63.6086 2
@@ -38107,7 +38107,7 @@ solid OpenSCAD_Model
       vertex 57.1604 -63.2103 6
     endloop
   endfacet
-  facet normal -0.819149 0.573581 0
+  facet normal -0.819152 0.573576 0
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       vertex 56.8815 60.0219 2
       vertex 56.8815 60.0219 6
@@ -38121,7 +38121,7 @@ solid OpenSCAD_Model
       vertex 56.8815 63.6086 2
     endloop
   endfacet
-  facet normal -0.819149 0.573581 0
+  facet normal -0.819152 0.573576 0
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       vertex 56.8815 60.0219 2
       vertex 57.1604 60.4203 6
@@ -38149,14 +38149,14 @@ solid OpenSCAD_Model
       vertex 57.1604 63.2103 2
     endloop
   endfacet
-  facet normal -0.819149 -0.573581 0
+  facet normal -0.819152 -0.573576 0
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       vertex 56.8815 63.6086 2
       vertex 57.1604 63.2103 2
       vertex 56.8815 63.6086 6
     endloop
   endfacet
-  facet normal -0.819149 -0.573581 0
+  facet normal -0.819152 -0.573576 0
     outer loop
       vertex 56.8815 63.6086 6
       vertex 57.1604 63.2103 2
@@ -38331,7 +38331,7 @@ solid OpenSCAD_Model
       vertex 57.3659 -62.7695 6
     endloop
   endfacet
-  facet normal -0.906311 0.422611 0
+  facet normal -0.906308 0.422618 0
     outer loop
       vertex 57.1604 60.4203 2
       vertex 57.1604 60.4203 6
@@ -38345,7 +38345,7 @@ solid OpenSCAD_Model
       vertex 57.1604 63.2103 2
     endloop
   endfacet
-  facet normal -0.906311 0.422611 0
+  facet normal -0.906308 0.422618 0
     outer loop
       vertex 57.1604 60.4203 2
       vertex 57.3659 60.861 6
@@ -38380,14 +38380,14 @@ solid OpenSCAD_Model
       vertex 57.3659 62.7695 2
     endloop
   endfacet
-  facet normal -0.90631 -0.422614 0
+  facet normal -0.906307 -0.422621 0
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       vertex 57.1604 63.2103 2
       vertex 57.3659 62.7695 2
       vertex 57.1604 63.2103 6
     endloop
   endfacet
-  facet normal -0.90631 -0.422614 0
+  facet normal -0.906307 -0.422621 0
     outer loop
       vertex 57.1604 63.2103 6
       vertex 57.3659 62.7695 2
diff --git a/dibond/stls/printed/tube_cap.stl b/dibond/stls/printed/tube_cap.stl
index 1c1a6fd..7c5464a 100644
--- a/dibond/stls/printed/tube_cap.stl
+++ b/dibond/stls/printed/tube_cap.stl
@@ -1,99 +1,99 @@
 solid OpenSCAD_Model
   facet normal 0 1 0
     outer loop
-      vertex -0.124511 -1.855 11.0134
+      vertex -0.124512 -1.855 11.0134
       vertex 0.372086 -1.855 11.0403
-      vertex 9.27036e-016 -1.855 9.135
+      vertex 0 -1.855 9.135
     endloop
   endfacet
-  facet normal -0.0541225 0 0.998534
+  facet normal -0.0541224 0 0.998534
     outer loop
-      vertex -0.124511 -1.855 11.0134
+      vertex -0.124512 -1.855 11.0134
       vertex 0.372086 -4.72 11.0403
       vertex 0.372086 -1.855 11.0403
     endloop
   endfacet
-  facet normal -0.0541225 0 0.998534
+  facet normal -0.0541224 0 0.998534
     outer loop
-      vertex -0.124511 -4.72 11.0134
+      vertex -0.124512 -4.72 11.0134
       vertex 0.372086 -4.72 11.0403
-      vertex -0.124511 -1.855 11.0134
+      vertex -0.124512 -1.855 11.0134
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   endfacet
   facet normal 0 -1 0
     outer loop
-      vertex -0.124511 -4.72 11.0134
+      vertex -0.124512 -4.72 11.0134
       vertex 4.645 -4.72 2.5
       vertex 0.372086 -4.72 11.0403
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   facet normal 0 1 0
     outer loop
-      vertex -0.61531 -1.855 11.0938
-      vertex -0.124511 -1.855 11.0134
-      vertex 9.27036e-016 -1.855 9.135
+      vertex -0.615311 -1.855 11.0938
+      vertex -0.124512 -1.855 11.0134
+      vertex 0 -1.855 9.135
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     outer loop
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-      vertex -0.124511 -4.72 11.0134
-      vertex -0.124511 -1.855 11.0134
+      vertex -0.615311 -1.855 11.0938
+      vertex -0.124512 -4.72 11.0134
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     outer loop
-      vertex -0.61531 -4.72 11.0938
-      vertex -0.124511 -4.72 11.0134
-      vertex -0.61531 -1.855 11.0938
+      vertex -0.615311 -4.72 11.0938
+      vertex -0.124512 -4.72 11.0134
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     outer loop
       vertex -0.952698 -1.855 15.61
-      vertex -9.27036e-016 -1.855 17.485
-      vertex 0.952697 -1.855 15.61
+      vertex 0 -1.855 17.485
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   facet normal -0 0 -1
     outer loop
       vertex -0.952698 -4.72 15.61
       vertex -0.952698 -1.855 15.61
-      vertex 0.952697 -1.855 15.61
+      vertex 0.952698 -1.855 15.61
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   facet normal 0 0 -1
     outer loop
       vertex -0.952698 -4.72 15.61
-      vertex 0.952697 -1.855 15.61
-      vertex 0.952697 -4.72 15.61
+      vertex 0.952698 -1.855 15.61
+      vertex 0.952698 -4.72 15.61
     endloop
   endfacet
   facet normal 0 -1 0
     outer loop
       vertex -0.952698 -4.72 15.61
-      vertex 0.952697 -4.72 15.61
+      vertex 0.952698 -4.72 15.61
       vertex 4.645 -4.72 19.36
     endloop
   endfacet
   facet normal 0 1 0
     outer loop
       vertex -1.07733 -1.855 11.2779
-      vertex -0.61531 -1.855 11.0938
-      vertex 9.27036e-016 -1.855 9.135
+      vertex -0.615311 -1.855 11.0938
+      vertex 0 -1.855 9.135
     endloop
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     outer loop
       vertex -1.07733 -1.855 11.2779
-      vertex -0.61531 -4.72 11.0938
-      vertex -0.61531 -1.855 11.0938
+      vertex -0.615311 -4.72 11.0938
+      vertex -0.615311 -1.855 11.0938
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     outer loop
       vertex -1.07733 -4.72 11.2779
-      vertex -0.61531 -4.72 11.0938
+      vertex -0.615311 -4.72 11.0938
       vertex -1.07733 -1.855 11.2779
     endloop
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@@ -111,7 +111,7 @@ solid OpenSCAD_Model
       vertex -1.48898 -1.855 11.557
     endloop
   endfacet
-  facet normal 0.707107 0 -0.707106
+  facet normal 0.707107 0 -0.707107
     outer loop
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@@ -132,7 +132,7 @@ solid OpenSCAD_Model
       vertex -1.6174 -1.855 14.9274
     endloop
   endfacet
-  facet normal 0.707107 0 -0.707106
+  facet normal 0.707107 0 -0.707107
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       vertex -1.62634 -1.855 14.9363
@@ -188,14 +188,14 @@ solid OpenSCAD_Model
       vertex -1.83101 -4.72 14.7019
     endloop
   endfacet
-  facet normal 0.856853 -0 0.515562
+  facet normal 0.856853 -0 0.51556
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       vertex -2.08742 -1.855 12.3443
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+  facet normal 0.856853 0 0.51556
     outer loop
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       vertex -1.83101 -4.72 11.9181
@@ -269,7 +269,7 @@ solid OpenSCAD_Model
     outer loop
       vertex -3.5074 -1.855 11.16
       vertex -1.07733 -1.855 11.2779
-      vertex 9.27036e-016 -1.855 9.135
+      vertex 0 -1.855 9.135
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@@ -324,7 +324,7 @@ solid OpenSCAD_Model
   facet normal 0.5 0 0.866025
     outer loop
       vertex -3.5074 -1.855 11.16
-      vertex 9.27036e-016 -1.855 9.135
+      vertex 0 -1.855 9.135
       vertex -3.5074 4.57 11.16
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@@ -374,28 +374,28 @@ solid OpenSCAD_Model
     outer loop
       vertex -3.5074 -1.855 15.46
       vertex -3.5074 4.57 15.46
-      vertex 4.996e-016 4.57 17.485
+      vertex 0 4.57 17.485
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   facet normal 0 1 -0
     outer loop
       vertex -3.5074 -1.855 15.46
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+  facet normal 0.5 0 -0.866026
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-      vertex 4.996e-016 4.57 17.485
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+      vertex 0 -1.855 9.135
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@@ -492,14 +492,14 @@ solid OpenSCAD_Model
   facet normal 0 -1 -0
     outer loop
       vertex -4.645 -4.72 2.5
-      vertex -0.124511 -4.72 11.0134
-      vertex -0.61531 -4.72 11.0938
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     outer loop
       vertex -4.645 -4.72 2.5
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+      vertex -0.615311 -4.72 11.0938
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@@ -556,7 +556,7 @@ solid OpenSCAD_Model
     outer loop
       vertex -4.645 -4.72 2.5
       vertex 4.645 -4.72 2.5
-      vertex -0.124511 -4.72 11.0134
+      vertex -0.124512 -4.72 11.0134
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   facet normal -0 0 1
@@ -587,25 +587,25 @@ solid OpenSCAD_Model
       vertex 4.645 4.57 19.36
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-      vertex 4.645 4.57 19.36
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-  endfacet
   facet normal 0 1 -0
     outer loop
       vertex -4.645 4.57 19.36
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+      vertex 0 4.57 17.485
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+  facet normal 0 1 0
+    outer loop
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       vertex -3.5074 4.57 11.16
-      vertex 2.35367e-015 4.57 9.135
+      vertex 0 4.57 9.135
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   facet normal 0 1 0
@@ -618,7 +618,7 @@ solid OpenSCAD_Model
   facet normal 0 1 0
     outer loop
       vertex -4.645 4.57 2.5
-      vertex 2.35367e-015 4.57 9.135
+      vertex 0 4.57 9.135
       vertex 4.645 4.57 2.5
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   endfacet
@@ -769,18 +769,74 @@ solid OpenSCAD_Model
       vertex -6.5 5.85 2.5
     endloop
   endfacet
-  facet normal 0 1 0
+  facet normal -0.5 0 -0.866026
     outer loop
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-      vertex 3.5074 -1.855 15.46
-      vertex 0.952697 -1.855 15.61
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+  facet normal 0 1 0
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-      vertex 4.996e-016 4.57 17.485
+      vertex 0 -1.855 17.485
       vertex 3.5074 -1.855 15.46
+      vertex 0.952698 -1.855 15.61
+    endloop
+  endfacet
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+    outer loop
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+      vertex 3.5074 4.57 15.46
+      vertex 3.5074 -1.855 15.46
+    endloop
+  endfacet
+  facet normal 0 1 0
+    outer loop
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+      vertex 0.372086 -1.855 11.0403
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+  facet normal 0 1 0
+    outer loop
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+      vertex 1.29073 -1.855 11.4063
+    endloop
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+  facet normal 0 1 0
+    outer loop
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+      vertex 3.5074 -1.855 11.16
+    endloop
+  endfacet
+  facet normal -0.5 0 0.866025
+    outer loop
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+    endloop
+  endfacet
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+    outer loop
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+      vertex 4.645 4.57 19.36
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+    endloop
+  endfacet
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+    outer loop
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+      vertex 3.5074 -1.855 11.16
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+    endloop
+  endfacet
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+      vertex 3.5074 4.57 11.16
+      vertex 4.645 4.57 2.5
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   facet normal -0.267533 0 0.963549
@@ -804,14 +860,14 @@ solid OpenSCAD_Model
       vertex 0.851303 -4.72 11.1734
     endloop
   endfacet
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+  facet normal -0.468415 0 0.883509
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+  facet normal -0.468415 0 0.883509
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       vertex 1.29073 -4.72 11.4063
@@ -827,28 +883,28 @@ solid OpenSCAD_Model
   endfacet
   facet normal -0.707107 0 -0.707107
     outer loop
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+      vertex 0.952698 -1.855 15.61
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+      vertex 0.952698 -4.72 15.61
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@@ -1000,7 +1056,7 @@ solid OpenSCAD_Model
       vertex 3.5074 -1.855 11.16
     endloop
   endfacet
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+  facet normal -0.907571 0 -0.419899
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@@ -1035,7 +1091,7 @@ solid OpenSCAD_Model
       vertex 2.1796 -4.72 12.5756
     endloop
   endfacet
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+  facet normal -0.907571 -0 -0.419899
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       vertex 1.97076 -1.855 14.4958
@@ -1147,20 +1203,6 @@ solid OpenSCAD_Model
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@@ -1231,20 +1273,6 @@ solid OpenSCAD_Model
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@@ -1315,32 +1343,4 @@ solid OpenSCAD_Model
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 endsolid OpenSCAD_Model
diff --git a/dibond/stls/printed/wades_extruder.stl b/dibond/stls/printed/wades_extruder.stl
index 5d9bd3b..3161f65 100644
--- a/dibond/stls/printed/wades_extruder.stl
+++ b/dibond/stls/printed/wades_extruder.stl
@@ -34,27 +34,6 @@ solid OpenSCAD_Model
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@@ -66,13 +45,13 @@ solid OpenSCAD_Model
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       vertex 100.125 0 10.7034
       vertex 104.62 0 6.18646
-      vertex 105.183 0 6.92011
+      vertex 105.183 0 6.9201
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@@ -104,41 +83,6 @@ solid OpenSCAD_Model
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@@ -181,13 +125,6 @@ solid OpenSCAD_Model
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@@ -209,123 +146,11 @@ solid OpenSCAD_Model
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@@ -356,6 +174,27 @@ solid OpenSCAD_Model
       vertex 100.5 20.6823 7.91622
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@@ -363,11 +202,18 @@ solid OpenSCAD_Model
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       vertex 84 30.9399 5.99298
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       vertex 84 31.4069 5.84127
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       vertex 84 31.888 5.74377
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@@ -35363,6 +33074,13 @@ solid OpenSCAD_Model
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     outer loop
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-    endloop
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@@ -37505,41 +34670,6 @@ solid OpenSCAD_Model
       vertex 99.6279 3 10.7303
     endloop
   endfacet
-  facet normal 0 -1 -0
-    outer loop
-      vertex 99.2435 0 2.7612
-      vertex 100.125 0 3.03926
-      vertex 99.6279 0 10.7303
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-      vertex 100.125 6.12666e-007 3.03926
-      vertex 100.125 0 3.03926
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-      vertex 100.125 6.12666e-007 3.03926
-    endloop
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-      vertex 100.125 0 22.9607
-      vertex 99.2435 6.31517e-007 23.2388
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-      vertex 100.125 0 22.9607
-      vertex 100.125 6.12666e-007 22.9607
-    endloop
-  endfacet
   facet normal 0.0541224 0 0.998534
     outer loop
       vertex 99.6279 0 10.7303
@@ -37550,21 +34680,7 @@ solid OpenSCAD_Model
   facet normal 0 -1 0
     outer loop
       vertex 99.6279 0 10.7303
-      vertex 100.125 0 3.03926
-      vertex 100.98 0 3.39314
-    endloop
-  endfacet
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-      vertex 100.98 0 3.39314
-      vertex 101.8 0 3.82014
-    endloop
-  endfacet
-  facet normal 0 -1 0
-    outer loop
-      vertex 99.6279 0 10.7303
-      vertex 101.8 0 3.82014
+      vertex 103.995 0 5.50467
       vertex 100.125 0 10.7034
     endloop
   endfacet
diff --git a/dibond/stls/printed/x_carriage_fan_duct.stl b/dibond/stls/printed/x_carriage_fan_duct.stl
index fe442c9..080234f 100644
--- a/dibond/stls/printed/x_carriage_fan_duct.stl
+++ b/dibond/stls/printed/x_carriage_fan_duct.stl
@@ -17674,7 +17674,7 @@ solid OpenSCAD_Model
       vertex 1.16081 16.4134 14.7567
     endloop
   endfacet
-  facet normal -0.0436117 -0.999049 -9.49772e-007
+  facet normal -0.0436117 -0.999049 -9.4977e-007
     outer loop
       vertex 0 16.4641 5.98
       vertex 1.2667 16.4088 14.2816
@@ -18164,7 +18164,7 @@ solid OpenSCAD_Model
       vertex 2.30224 92.2778 1.08805
     endloop
   endfacet
-  facet normal 0.955781 -0.200689 0.214958
+  facet normal 0.955781 -0.200689 0.214959
     outer loop
       vertex 1.16081 16.4134 14.7567
       vertex 1.21212 16.4112 14.5265
@@ -18332,7 +18332,7 @@ solid OpenSCAD_Model
       vertex 1.48517 17.4493 14.2816
     endloop
   endfacet
-  facet normal 0.888202 -0.1865 -0.4199
+  facet normal 0.888202 -0.186499 -0.4199
     outer loop
       vertex 1.2667 16.4088 15.7184
       vertex 1.48517 17.4493 15.7184
@@ -18346,7 +18346,7 @@ solid OpenSCAD_Model
       vertex 1.56863 17.4419 15.8982
     endloop
   endfacet
-  facet normal 0.888201 -0.186499 -0.419902
+  facet normal 0.888201 -0.186498 -0.419902
     outer loop
       vertex 1.2667 16.4088 15.7184
       vertex 1.56863 17.4419 15.8982
@@ -18367,7 +18367,7 @@ solid OpenSCAD_Model
       vertex 2.91978 101.236 4.62213
     endloop
   endfacet
-  facet normal 0.888202 -0.186499 0.419898
+  facet normal 0.888201 -0.186499 0.4199
     outer loop
       vertex 1.36747 16.4044 14.0665
       vertex 1.43494 16.4015 13.9225
@@ -18381,7 +18381,7 @@ solid OpenSCAD_Model
       vertex 1.52645 17.4475 14.1935
     endloop
   endfacet
-  facet normal 0.888202 -0.186499 -0.419898
+  facet normal 0.888202 -0.186499 -0.4199
     outer loop
       vertex 1.37278 16.4042 15.9448
       vertex 1.56863 17.4419 15.8982
@@ -18465,7 +18465,7 @@ solid OpenSCAD_Model
       vertex 1.44039 -16.3776 5.98
     endloop
   endfacet
-  facet normal 0.8882 -0.186498 0.419905
+  facet normal 0.888201 -0.186499 0.419901
     outer loop
       vertex 1.43494 16.4015 13.9225
       vertex 1.47287 16.3965 13.84
@@ -18619,14 +18619,14 @@ solid OpenSCAD_Model
       vertex 2.85896 16.214 5.98
     endloop
   endfacet
-  facet normal 0.77911 -0.163592 0.605166
+  facet normal 0.779109 -0.163593 0.605166
     outer loop
       vertex 1.47287 16.3965 13.84
       vertex 1.76563 16.3579 13.4527
       vertex 1.98181 17.3875 13.4527
     endloop
   endfacet
-  facet normal 0.77911 -0.163592 0.605166
+  facet normal 0.779109 -0.163593 0.605166
     outer loop
       vertex 1.47287 16.3965 13.84
       vertex 1.98181 17.3875 13.4527
@@ -18766,7 +18766,7 @@ solid OpenSCAD_Model
       vertex 2.35053 17.339 13.1377
     endloop
   endfacet
-  facet normal 0.130524 0.991445 2.76918e-007
+  facet normal 0.130524 0.991445 2.76917e-007
     outer loop
       vertex 1.52645 17.4475 5.96
       vertex 2.35053 17.339 13.1377
@@ -18934,7 +18934,7 @@ solid OpenSCAD_Model
       vertex 2.04838 23.4131 5.96
     endloop
   endfacet
-  facet normal 0.633565 -0.133031 0.762167
+  facet normal 0.633565 -0.133032 0.762167
     outer loop
       vertex 1.76563 16.3579 13.4527
       vertex 2.13434 16.3094 13.1377
@@ -19102,7 +19102,7 @@ solid OpenSCAD_Model
       vertex 4.09938 104.101 8.46182
     endloop
   endfacet
-  facet normal 0.633565 -0.133031 0.762167
+  facet normal 0.633565 -0.133032 0.762167
     outer loop
       vertex 1.98181 17.3875 13.4527
       vertex 2.13434 16.3094 13.1377
@@ -25479,7 +25479,7 @@ solid OpenSCAD_Model
       vertex 3.88212 99.5688 2.85849
     endloop
   endfacet
-  facet normal 0.458427 -0.0962569 0.883504
+  facet normal 0.458427 -0.0962577 0.883504
     outer loop
       vertex 2.13434 16.3094 13.1377
       vertex 2.346 16.2815 13.0249
@@ -25682,7 +25682,7 @@ solid OpenSCAD_Model
       vertex 2.6073 17.3052 13.0008
     endloop
   endfacet
-  facet normal 0.458425 -0.096257 0.883505
+  facet normal 0.458427 -0.0962577 0.883504
     outer loop
       vertex 2.346 16.2815 13.0249
       vertex 2.6073 17.3052 13.0008
@@ -28678,7 +28678,7 @@ solid OpenSCAD_Model
       vertex 6.25243 105.361 11.05
     endloop
   endfacet
-  facet normal -0.362233 0.0760597 0.928979
+  facet normal -0.362237 0.0760604 0.928978
     outer loop
       vertex 3.96794 15.9681 12.832
       vertex 4.18753 15.9194 12.9216
@@ -32710,7 +32710,7 @@ solid OpenSCAD_Model
       vertex 4.88893 94.4482 1.08805
     endloop
   endfacet
-  facet normal -0.362236 0.0760596 0.928978
+  facet normal -0.362235 0.0760604 0.928978
     outer loop
       vertex 4.18352 16.9948 12.832
       vertex 4.18753 15.9194 12.9216
@@ -32724,7 +32724,7 @@ solid OpenSCAD_Model
       vertex 4.53298 16.9173 5.96
     endloop
   endfacet
-  facet normal -0.362236 0.0760598 0.928978
+  facet normal -0.362236 0.0760606 0.928978
     outer loop
       vertex 4.18753 15.9194 12.9216
       vertex 4.26122 15.9031 12.9517
@@ -32808,14 +32808,14 @@ solid OpenSCAD_Model
       vertex 5.61604 -15.4519 5.98
     endloop
   endfacet
-  facet normal -0.362241 0.0760619 0.928976
+  facet normal -0.362236 0.07606 0.928978
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       vertex 4.62312 16.8889 13.0121
     endloop
   endfacet
-  facet normal -0.362237 0.0760598 0.928978
+  facet normal -0.362245 0.0760622 0.928974
     outer loop
       vertex 4.26122 15.9031 12.9517
       vertex 4.53298 16.9173 12.9746
@@ -32997,7 +32997,7 @@ solid OpenSCAD_Model
       vertex 4.85431 16.816 13.1757
     endloop
   endfacet
-  facet normal -0.54922 0.115323 0.827682
+  facet normal -0.549221 0.115322 0.827682
     outer loop
       vertex 4.40651 15.8573 13.0121
       vertex 4.85431 16.816 13.1757
@@ -33228,7 +33228,7 @@ solid OpenSCAD_Model
       vertex 5.00904 16.7672 13.2851
     endloop
   endfacet
-  facet normal -0.54922 0.115322 0.827683
+  facet normal -0.54922 0.115321 0.827683
     outer loop
       vertex 4.59718 15.7972 13.147
       vertex 5.00904 16.7672 13.2851
@@ -33277,14 +33277,14 @@ solid OpenSCAD_Model
       vertex 6.87096 103.662 5.31424
     endloop
   endfacet
-  facet normal -0.7105 0.149187 0.687701
+  facet normal -0.7105 0.149186 0.687701
     outer loop
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       vertex 5.2 16.707 13.4955
     endloop
   endfacet
-  facet normal -0.7105 0.149187 0.687701
+  facet normal -0.7105 0.149186 0.687701
     outer loop
       vertex 4.79243 15.7356 13.2851
       vertex 5.2 16.707 13.4955
@@ -33466,7 +33466,7 @@ solid OpenSCAD_Model
       vertex 5.32971 16.6661 13.6384
     endloop
   endfacet
-  facet normal -0.7105 0.149187 0.687702
+  facet normal -0.7105 0.149186 0.687702
     outer loop
       vertex 4.94969 15.686 13.4584
       vertex 5.32971 16.6661 13.6384
@@ -36147,14 +36147,14 @@ solid OpenSCAD_Model
       vertex 5.99018 -16.4579 17.9629
     endloop
   endfacet
-  facet normal -0.838563 0.176076 0.515566
+  facet normal -0.838564 0.176077 0.515565
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       vertex 5.2303 15.5976 13.8416
       vertex 5.47218 16.6212 13.8854
     endloop
   endfacet
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+  facet normal -0.838565 0.176077 0.515564
     outer loop
       vertex 5.11309 15.6345 13.6384
       vertex 5.47218 16.6212 13.8854
@@ -36308,7 +36308,7 @@ solid OpenSCAD_Model
       vertex 5.32971 16.6661 16.3616
     endloop
   endfacet
-  facet normal -0.838564 0.176077 0.515565
+  facet normal -0.838563 0.176076 0.515566
     outer loop
       vertex 5.2303 15.5976 13.8416
       vertex 5.35349 15.5587 14.0553
@@ -36336,7 +36336,7 @@ solid OpenSCAD_Model
       vertex 5.63105 15.4712 19.9985
     endloop
   endfacet
-  facet normal -0.838565 0.176077 -0.515563
+  facet normal -0.838565 0.176077 -0.515564
     outer loop
       vertex 5.2363 15.5957 16.148
       vertex 5.42751 16.6353 16.192
@@ -36399,14 +36399,14 @@ solid OpenSCAD_Model
       vertex 5.71898 16.5434 15.4837
     endloop
   endfacet
-  facet normal -0.927432 0.194736 -0.319293
+  facet normal -0.927432 0.194737 -0.319293
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       vertex 5.50237 15.5118 15.4837
     endloop
   endfacet
-  facet normal 0.300707 0.953717 1.37468e-007
+  facet normal 0.300707 0.953717 1.37469e-007
     outer loop
       vertex 5.42751 16.6353 16.192
       vertex 5.99018 16.4579 17.977
@@ -36518,7 +36518,7 @@ solid OpenSCAD_Model
       vertex 6.9414 14.9036 5.98
     endloop
   endfacet
-  facet normal -0.972919 0.204287 0.108141
+  facet normal -0.97292 0.204287 0.108141
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       vertex 5.50237 15.5118 14.5163
       vertex 5.5268 15.5041 14.7507
@@ -36539,7 +36539,7 @@ solid OpenSCAD_Model
       vertex 5.71898 16.5434 14.5163
     endloop
   endfacet
-  facet normal -0.300707 -0.953716 4.58206e-008
+  facet normal -0.300707 -0.953716 4.58207e-008
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       vertex 5.50237 15.5118 15.4837
       vertex 5.52836 15.5036 15.2343
@@ -36553,14 +36553,14 @@ solid OpenSCAD_Model
       vertex 5.73966 16.5369 15.2853
     endloop
   endfacet
-  facet normal -0.97292 0.204288 -0.108137
+  facet normal -0.97292 0.204288 -0.108138
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       vertex 5.52836 15.5036 15.2343
     endloop
   endfacet
-  facet normal -0.97292 0.204288 0.108137
+  facet normal -0.97292 0.204287 0.108137
     outer loop
       vertex 5.5268 15.5041 14.7507
       vertex 5.55279 15.4959 15
@@ -36588,7 +36588,7 @@ solid OpenSCAD_Model
       vertex 5.63105 15.4712 19.9985
     endloop
   endfacet
-  facet normal -0.97292 0.204288 -0.108138
+  facet normal -0.97292 0.204288 -0.108139
     outer loop
       vertex 5.52836 15.5036 15.2343
       vertex 5.73966 16.5369 15.2853
diff --git a/dibond/stls/printed/x_carriage_parts.stl b/dibond/stls/printed/x_carriage_parts.stl
index 1dd6daa..be3f9ad 100644
--- a/dibond/stls/printed/x_carriage_parts.stl
+++ b/dibond/stls/printed/x_carriage_parts.stl
@@ -125,20 +125,6 @@ solid OpenSCAD_Model
       vertex -0.363294 -40 5.57052
     endloop
   endfacet
-  facet normal 0.988831 -1.15465e-008 0.149043
-    outer loop
-      vertex -0.587544 -43 6.08563
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-      vertex -0.585344 -40 6.07104
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-      vertex -0.576694 -40 6.01365
-    endloop
-  endfacet
   facet normal 1 0 -4.04772e-007
     outer loop
       vertex -0.65 -40 6.5
@@ -149,15 +135,15 @@ solid OpenSCAD_Model
   facet normal 0.988831 -0 0.149043
     outer loop
       vertex -0.65 -43 6.5
-      vertex -0.585344 -40 6.07104
+      vertex -0.576694 -40 6.01365
       vertex -0.65 -40 6.5
     endloop
   endfacet
-  facet normal 0.988831 -1.3009e-008 0.149043
+  facet normal 0.988831 0 0.149043
     outer loop
       vertex -0.65 -43 6.5
-      vertex -0.587544 -43 6.08563
-      vertex -0.585344 -40 6.07104
+      vertex -0.576694 -43 6.01365
+      vertex -0.576694 -40 6.01365
     endloop
   endfacet
   facet normal 1 0 -4.04772e-007
@@ -1914,14 +1900,28 @@ solid OpenSCAD_Model
     outer loop
       vertex -13 -18 0
       vertex -13 -18 8
-      vertex -2.505 -18 8
+      vertex 13 -18 0
     endloop
   endfacet
   facet normal 0 1 0
     outer loop
-      vertex -13 -18 0
-      vertex -2.505 -18 8
-      vertex 13 -18 0
+      vertex -13 -18 10
+      vertex -2.5 -18 12.01
+      vertex 13 -18 10
+    endloop
+  endfacet
+  facet normal 0 1 0
+    outer loop
+      vertex -13 -18 10
+      vertex -2.5 -18 18.5
+      vertex -2.5 -18 12.01
+    endloop
+  endfacet
+  facet normal 0 1 -0
+    outer loop
+      vertex -13 -18 10
+      vertex 13 -18 10
+      vertex 13 -18 8
     endloop
   endfacet
   facet normal 1 -0 0
@@ -1931,6 +1931,20 @@ solid OpenSCAD_Model
       vertex -13 -17.9953 8
     endloop
   endfacet
+  facet normal 0 1 0
+    outer loop
+      vertex -13 -18 8
+      vertex -13 -18 10
+      vertex 13 -18 8
+    endloop
+  endfacet
+  facet normal 0 1 -0
+    outer loop
+      vertex -13 -18 8
+      vertex 13 -18 8
+      vertex 13 -18 0
+    endloop
+  endfacet
   facet normal 1 0 0
     outer loop
       vertex -13 14.9953 0
@@ -2985,7 +2999,7 @@ solid OpenSCAD_Model
     outer loop
       vertex -15.75 -18 16
       vertex -2.5 -18 18.5
-      vertex -2.505 -18 12.01
+      vertex -13 -18 10
     endloop
   endfacet
   facet normal -0 0 1
@@ -2995,18 +3009,18 @@ solid OpenSCAD_Model
       vertex -2.5 -18 18.5
     endloop
   endfacet
+  facet normal 0 1 -0
+    outer loop
+      vertex -15.75 -18 9.38423
+      vertex -13 -18 10
+      vertex -13 -18 8
+    endloop
+  endfacet
   facet normal 0 1 0
     outer loop
       vertex -15.75 -18 9.38423
       vertex -15.75 -18 16
-      vertex -2.505 -18 12.01
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-      vertex -2.505 -18 12.01
-      vertex -2.505 -18 8
+      vertex -13 -18 10
     endloop
   endfacet
   facet normal -1 0 0
@@ -3408,6 +3422,13 @@ solid OpenSCAD_Model
       vertex -15.75 -37.9619 16.8716
     endloop
   endfacet
+  facet normal 0 -1 0
+    outer loop
+      vertex -15.75 -38 16
+      vertex -2.5 -38 12.01
+      vertex -2.5 -38 18.5
+    endloop
+  endfacet
   facet normal 0 -1 0
     outer loop
       vertex -15.75 -38 16
@@ -3443,6 +3464,34 @@ solid OpenSCAD_Model
       vertex -10 -35.592 18.5
     endloop
   endfacet
+  facet normal 0 -1 0
+    outer loop
+      vertex -15.75 -38 9.38422
+      vertex -0.472183 -38 4.05388
+      vertex -0.679108 -38 4.50697
+    endloop
+  endfacet
+  facet normal 0 -1 0
+    outer loop
+      vertex -15.75 -38 9.38422
+      vertex -0.679108 -38 4.50697
+      vertex -0.75 -38 5
+    endloop
+  endfacet
+  facet normal 0 -1 0
+    outer loop
+      vertex -15.75 -38 9.38422
+      vertex -0.679108 -38 5.49303
+      vertex -2.5 -38 12.01
+    endloop
+  endfacet
+  facet normal 0 -1 0
+    outer loop
+      vertex -15.75 -38 9.38422
+      vertex -0.75 -38 5
+      vertex -0.679108 -38 5.49303
+    endloop
+  endfacet
   facet normal -1 0 0
     outer loop
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@@ -3502,14 +3551,7 @@ solid OpenSCAD_Model
   facet normal 0 -1 0
     outer loop
       vertex -15.75 -38 9.38422
-      vertex -2.5 -38 0.0100002
-      vertex -2.5 -38 18.5
-    endloop
-  endfacet
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-    outer loop
-      vertex -15.75 -38 9.38422
-      vertex -2.5 -38 18.5
+      vertex -2.5 -38 12.01
       vertex -15.75 -38 16
     endloop
   endfacet
@@ -3765,34 +3807,6 @@ solid OpenSCAD_Model
       vertex -17.015 15.7341 2
     endloop
   endfacet
-  facet normal 0 -1 0
-    outer loop
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-    endloop
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@@ -3930,7 +3944,7 @@ solid OpenSCAD_Model
     outer loop
       vertex -17.8949 -18 8
       vertex -15.75 -18 9.38423
-      vertex -2.505 -18 8
+      vertex -13 -18 8
     endloop
   endfacet
   facet normal 0 0 1
@@ -3947,13 +3961,6 @@ solid OpenSCAD_Model
       vertex -16.6653 -16.4009 8
     endloop
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@@ -4213,48 +4220,6 @@ solid OpenSCAD_Model
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     endloop
   endfacet
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-      vertex -17.2664 12.6072 8
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       vertex -32.4051 -46.8464 14.05
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       vertex 32.75 -38 5
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diff --git a/dibond/stls/printed/x_end_clamp.stl b/dibond/stls/printed/x_end_clamp.stl
index 83941fd..99384ff 100644
--- a/dibond/stls/printed/x_end_clamp.stl
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@@ -2628,13 +2544,13 @@ solid OpenSCAD_Model
     outer loop
       vertex 5.705 -4.73618 4.8
       vertex 5.705 -3.37422 5.67094
-      vertex 5.705 -3.63036 6.09463
+      vertex 5.705 -3.63036 6.09464
     endloop
   endfacet
   facet normal 1 0 0
     outer loop
       vertex 5.705 -4.73618 4.8
-      vertex 5.705 -3.63036 6.09463
+      vertex 5.705 -3.63036 6.09464
       vertex 5.705 -3.83356 6.54613
     endloop
   endfacet
@@ -2680,10 +2596,10 @@ solid OpenSCAD_Model
       vertex 5.705 -4.0758 7.6
     endloop
   endfacet
-  facet normal -4.46909e-008 -0.616702 0.787197
+  facet normal 0 -0.616702 0.787197
     outer loop
       vertex 5.705 2.55144 4.8
-      vertex 13 2.32905 4.62578
+      vertex 13 2.32906 4.62578
       vertex 8.995 2.55144 4.8
     endloop
   endfacet
@@ -2726,12 +2642,12 @@ solid OpenSCAD_Model
     outer loop
       vertex 5.705 3.37422 5.67094
       vertex 5.705 4.73618 4.8
-      vertex 5.705 3.63036 6.09463
+      vertex 5.705 3.63036 6.09464
     endloop
   endfacet
   facet normal 1 -0 0
     outer loop
-      vertex 5.705 3.63036 6.09463
+      vertex 5.705 3.63036 6.09464
       vertex 5.705 4.73618 4.8
       vertex 5.705 3.83356 6.54613
     endloop
@@ -3065,84 +2981,84 @@ solid OpenSCAD_Model
       vertex 13 -2.32906 4.62578
     endloop
   endfacet
-  facet normal 3.67125e-008 0.616703 0.787196
+  facet normal 0 0.616702 0.787196
     outer loop
       vertex 8.995 -2.7188 4.93111
       vertex 13 -2.7188 4.93111
       vertex 8.995 -2.55144 4.8
     endloop
   endfacet
-  facet normal 4.20942e-008 0.707107 0.707107
+  facet normal 0 0.707107 0.707107
     outer loop
+      vertex 8.995 -3.06889 5.2812
+      vertex 13 -2.7188 4.93111
       vertex 8.995 -2.7188 4.93111
+    endloop
+  endfacet
+  facet normal 0 0.707107 0.707107
+    outer loop
+      vertex 8.995 -3.06889 5.2812
       vertex 13 -3.06889 5.2812
       vertex 13 -2.7188 4.93111
     endloop
   endfacet
-  facet normal 4.20942e-008 0.707107 0.707107
-    outer loop
-      vertex 8.995 -3.06889 5.2812
-      vertex 13 -3.06889 5.2812
-      vertex 8.995 -2.7188 4.93111
-    endloop
-  endfacet
-  facet normal 4.6862e-008 0.787197 0.616702
+  facet normal 0 0.787197 0.616702
     outer loop
       vertex 8.995 -3.37422 5.67094
       vertex 13 -3.06889 5.2812
       vertex 8.995 -3.06889 5.2812
     endloop
   endfacet
-  facet normal 4.6862e-008 0.787197 0.616702
+  facet normal 0 0.787197 0.616702
     outer loop
       vertex 8.995 -3.37422 5.67094
       vertex 13 -3.37422 5.67094
       vertex 13 -3.06889 5.2812
     endloop
   endfacet
-  facet normal 5.09446e-008 0.855778 0.517344
+  facet normal 0 0.855778 0.517344
     outer loop
       vertex 8.995 -3.63036 6.09464
       vertex 13 -3.37422 5.67094
       vertex 8.995 -3.37422 5.67094
     endloop
   endfacet
-  facet normal 5.09446e-008 0.855778 0.517344
+  facet normal 0 0.855778 0.517344
     outer loop
       vertex 8.995 -3.63036 6.09464
       vertex 13 -3.63036 6.09464
       vertex 13 -3.37422 5.67094
     endloop
   endfacet
-  facet normal 5.42856e-008 0.911899 0.410415
+  facet normal 0 0.911899 0.410415
     outer loop
       vertex 8.995 -3.83356 6.54613
       vertex 13 -3.63036 6.09464
       vertex 8.995 -3.63036 6.09464
     endloop
   endfacet
-  facet normal 5.42856e-008 0.911899 0.410415
+  facet normal 0 0.911899 0.410415
     outer loop
       vertex 8.995 -3.83356 6.54613
       vertex 13 -3.83356 6.54613
       vertex 13 -3.63036 6.09464
     endloop
   endfacet
-  facet normal 5.68348e-008 0.954722 0.297499
+  facet normal 0 0.954722 0.297499
     outer loop
       vertex 8.995 -3.98085 7.01881
       vertex 13 -3.83356 6.54613
       vertex 8.995 -3.83356 6.54613
     endloop
   endfacet
-  facet normal 5.68348e-008 0.954722 0.297499
+  facet normal 0 0.954722 0.297499
     outer loop
       vertex 8.995 -3.98085 7.01881
       vertex 13 -3.98085 7.01881
       vertex 13 -3.83356 6.54613
     endloop
   endfacet
-  facet normal 5.85551e-008 0.983619 0.180261
+  facet normal 0 0.983619 0.18026
     outer loop
       vertex 8.995 -4.0701 7.50581
       vertex 13 -3.98085 7.01881
@@ -3156,21 +3072,21 @@ solid OpenSCAD_Model
       vertex 13 -3.98085 7.01881
     endloop
   endfacet
-  facet normal 0 0.998176 0.0603741
+  facet normal 0 0.998176 0.0603791
     outer loop
       vertex 8.995 -4.0758 7.6
       vertex 13 -4.0701 7.50581
       vertex 8.995 -4.0701 7.50581
     endloop
   endfacet
-  facet normal 1.18843e-007 0.998176 0.0603791
+  facet normal 0 0.998176 0.0603791
     outer loop
       vertex 8.995 -4.0758 7.6
       vertex 13 -4.0758 7.6
       vertex 13 -4.0701 7.50581
     endloop
   endfacet
-  facet normal 0 0 1
+  facet normal -0 0 1
     outer loop
       vertex 8.995 -4.0758 7.6
       vertex 9.28136 -5.65 7.6
@@ -3261,17 +3177,17 @@ solid OpenSCAD_Model
       vertex 8.995 -4.0758 7.6
     endloop
   endfacet
-  facet normal -5.25973e-008 -0.616702 0.787197
+  facet normal -1.58849e-008 -0.616702 0.787197
     outer loop
       vertex 8.995 2.55144 4.8
-      vertex 13 2.32905 4.62578
-      vertex 13 2.71879 4.93111
+      vertex 13 2.32906 4.62578
+      vertex 13 2.7188 4.93111
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   endfacet
-  facet normal -3.67124e-008 -0.616702 0.787196
+  facet normal 0 -0.616702 0.787196
     outer loop
       vertex 8.995 2.55144 4.8
-      vertex 13 2.71879 4.93111
+      vertex 13 2.7188 4.93111
       vertex 8.995 2.7188 4.93111
     endloop
   endfacet
@@ -3282,10 +3198,17 @@ solid OpenSCAD_Model
       vertex 8.995 5.05536 4.8
     endloop
   endfacet
-  facet normal -4.20942e-008 -0.707107 0.707107
+  facet normal 0 -0.707107 0.707107
     outer loop
       vertex 8.995 2.7188 4.93111
-      vertex 13 2.71879 4.93111
+      vertex 13 2.7188 4.93111
+      vertex 13 3.06889 5.2812
+    endloop
+  endfacet
+  facet normal 0 -0.707107 0.707107
+    outer loop
+      vertex 8.995 2.7188 4.93111
+      vertex 13 3.06889 5.2812
       vertex 8.995 3.06889 5.2812
     endloop
   endfacet
@@ -3296,21 +3219,14 @@ solid OpenSCAD_Model
       vertex 8.995 5.05536 4.8
     endloop
   endfacet
-  facet normal -4.20942e-008 -0.707107 0.707107
-    outer loop
-      vertex 8.995 3.06889 5.2812
-      vertex 13 2.71879 4.93111
-      vertex 13 3.06889 5.2812
-    endloop
-  endfacet
-  facet normal -4.6862e-008 -0.787197 0.616702
+  facet normal 0 -0.787197 0.616702
     outer loop
       vertex 8.995 3.06889 5.2812
       vertex 13 3.06889 5.2812
       vertex 13 3.37422 5.67094
     endloop
   endfacet
-  facet normal -4.6862e-008 -0.787197 0.616702
+  facet normal 0 -0.787197 0.616702
     outer loop
       vertex 8.995 3.06889 5.2812
       vertex 13 3.37422 5.67094
@@ -3324,17 +3240,17 @@ solid OpenSCAD_Model
       vertex 8.995 5.05536 4.8
     endloop
   endfacet
-  facet normal -5.09446e-008 -0.855778 0.517344
+  facet normal 0 -0.855778 0.517344
     outer loop
       vertex 8.995 3.37422 5.67094
       vertex 13 3.37422 5.67094
-      vertex 13 3.63035 6.09464
+      vertex 13 3.63036 6.09464
     endloop
   endfacet
-  facet normal -5.09446e-008 -0.855778 0.517344
+  facet normal 0 -0.855778 0.517344
     outer loop
       vertex 8.995 3.37422 5.67094
-      vertex 13 3.63035 6.09464
+      vertex 13 3.63036 6.09464
       vertex 8.995 3.63036 6.09464
     endloop
   endfacet
@@ -3345,14 +3261,14 @@ solid OpenSCAD_Model
       vertex 8.995 5.05536 4.8
     endloop
   endfacet
-  facet normal -5.42856e-008 -0.911899 0.410415
+  facet normal 0 -0.911899 0.410415
     outer loop
       vertex 8.995 3.63036 6.09464
-      vertex 13 3.63035 6.09464
+      vertex 13 3.63036 6.09464
       vertex 13 3.83356 6.54613
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   endfacet
-  facet normal -5.42856e-008 -0.911899 0.410415
+  facet normal 0 -0.911899 0.410415
     outer loop
       vertex 8.995 3.63036 6.09464
       vertex 13 3.83356 6.54613
@@ -3366,14 +3282,14 @@ solid OpenSCAD_Model
       vertex 8.995 5.05536 4.8
     endloop
   endfacet
-  facet normal -5.68348e-008 -0.954722 0.297499
+  facet normal 0 -0.954722 0.297499
     outer loop
       vertex 8.995 3.83356 6.54613
       vertex 13 3.83356 6.54613
       vertex 13 3.98085 7.01881
     endloop
   endfacet
-  facet normal -5.68348e-008 -0.954722 0.297499
+  facet normal 0 -0.954722 0.297499
     outer loop
       vertex 8.995 3.83356 6.54613
       vertex 13 3.98085 7.01881
@@ -3394,7 +3310,7 @@ solid OpenSCAD_Model
       vertex 8.995 5.05536 4.8
     endloop
   endfacet
-  facet normal -5.85551e-008 -0.983619 0.18026
+  facet normal 0 -0.983619 0.18026
     outer loop
       vertex 8.995 3.98085 7.01881
       vertex 13 3.98085 7.01881
diff --git a/dibond/stls/printed/x_idler_bracket.stl b/dibond/stls/printed/x_idler_bracket.stl
index 5508c84..b3e6d7d 100644
--- a/dibond/stls/printed/x_idler_bracket.stl
+++ b/dibond/stls/printed/x_idler_bracket.stl
@@ -1266,18 +1266,11 @@ solid OpenSCAD_Model
       vertex -11.0798 -24.2329 3.39
     endloop
   endfacet
-  facet normal 1 0 0
-    outer loop
-      vertex -12.295 -23.9213 7.64849
-      vertex -12.295 -23.2638 8
-      vertex -12.295 -23.9 8
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-  endfacet
   facet normal 1 0 0
     outer loop
       vertex -12.295 -23.9299 7.50581
       vertex -12.295 -23.2638 8
-      vertex -12.295 -23.9213 7.64849
+      vertex -12.295 -23.9 8
     endloop
   endfacet
   facet normal 1 0 0
@@ -1343,7 +1336,7 @@ solid OpenSCAD_Model
       vertex -12.295 -25.2812 4.93111
     endloop
   endfacet
-  facet normal 0 -0.616701 0.787198
+  facet normal 0 -0.616703 0.787196
     outer loop
       vertex -12.295 -25.4486 4.8
       vertex -5 -25.6709 4.62578
@@ -1364,7 +1357,7 @@ solid OpenSCAD_Model
       vertex -9.005 -30.5514 4.8
     endloop
   endfacet
-  facet normal 0 0.616701 0.787198
+  facet normal 0 0.616703 0.787196
     outer loop
       vertex -12.295 -30.5514 4.8
       vertex -9.005 -30.5514 4.8
@@ -1438,27 +1431,13 @@ solid OpenSCAD_Model
     outer loop
       vertex -12.295 -32.7362 8
       vertex -12.295 -31.9809 7.01881
-      vertex -12.295 -32.0443 7.36522
-    endloop
-  endfacet
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-    outer loop
-      vertex -12.295 -32.7362 8
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       vertex -12.295 -32.0701 7.50581
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   endfacet
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-  endfacet
   facet normal 1 -0 0
     outer loop
       vertex -12.295 -32.7362 8
-      vertex -12.295 -32.0914 7.85733
+      vertex -12.295 -32.0701 7.50581
       vertex -12.295 -32.1 8
     endloop
   endfacet
@@ -1526,17 +1505,10 @@ solid OpenSCAD_Model
     endloop
   endfacet
   facet normal 1 -0 0
-    outer loop
-      vertex -12.295 23.2638 8
-      vertex -12.295 23.9086 7.85733
-      vertex -12.295 23.9 8
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-  facet normal 1 0 0
     outer loop
       vertex -12.295 23.2638 8
       vertex -12.295 23.9299 7.50581
-      vertex -12.295 23.9086 7.85733
+      vertex -12.295 23.9 8
     endloop
   endfacet
   facet normal 1 0 0
@@ -1553,7 +1525,7 @@ solid OpenSCAD_Model
       vertex -9.005 25.4486 4.8
     endloop
   endfacet
-  facet normal 0 0.616701 0.787198
+  facet normal 0 0.616703 0.787196
     outer loop
       vertex -12.295 25.4486 4.8
       vertex -9.005 25.4486 4.8
@@ -1574,7 +1546,7 @@ solid OpenSCAD_Model
       vertex -12.295 30.7188 4.93111
     endloop
   endfacet
-  facet normal 0 -0.616704 0.787195
+  facet normal 0 -0.616703 0.787196
     outer loop
       vertex -12.295 30.5514 4.8
       vertex -5 30.3291 4.62578
@@ -1634,13 +1606,6 @@ solid OpenSCAD_Model
     outer loop
       vertex -12.295 31.9809 7.01881
       vertex -12.295 32.7362 8
-      vertex -12.295 32.0066 7.15941
-    endloop
-  endfacet
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-      vertex -12.295 32.0066 7.15941
-      vertex -12.295 32.7362 8
       vertex -12.295 32.0701 7.50581
     endloop
   endfacet
@@ -1648,13 +1613,6 @@ solid OpenSCAD_Model
     outer loop
       vertex -12.295 32.0701 7.50581
       vertex -12.295 32.7362 8
-      vertex -12.295 32.0787 7.64849
-    endloop
-  endfacet
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-    outer loop
-      vertex -12.295 32.0787 7.64849
-      vertex -12.295 32.7362 8
       vertex -12.295 32.1 8
     endloop
   endfacet
@@ -3212,48 +3170,27 @@ solid OpenSCAD_Model
       vertex -23.705 -22.9446 8
     endloop
   endfacet
-  facet normal 0 -0.998176 0.0603696
+  facet normal 0 -0.998176 0.0603769
     outer loop
-      vertex -23.705 -23.9086 7.85733
+      vertex -23.705 -23.9299 7.50581
       vertex -12.295 -23.9 8
       vertex -23.705 -23.9 8
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   endfacet
-  facet normal -6.35431e-008 -0.998176 0.0603746
+  facet normal 0 -0.998176 0.0603769
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-      vertex -23.705 -23.9086 7.85733
-      vertex -12.295 -23.9213 7.64849
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       vertex -12.295 -23.9 8
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   endfacet
   facet normal -1 -0 0
     outer loop
-      vertex -23.705 -23.9086 7.85733
+      vertex -23.705 -23.9299 7.50581
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       vertex -23.705 -24.0191 7.01881
@@ -3380,7 +3317,7 @@ solid OpenSCAD_Model
       vertex -12.295 -24.9311 5.2812
     endloop
   endfacet
-  facet normal 0 -0.616703 0.787196
+  facet normal 0 -0.616701 0.787197
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       vertex -23.705 -25.2812 4.93111
       vertex -12.295 -25.4486 4.8
@@ -3394,7 +3331,7 @@ solid OpenSCAD_Model
       vertex -23.705 -22.9446 4.8
     endloop
   endfacet
-  facet normal 0 -0.616703 0.787196
+  facet normal 0 -0.616701 0.787197
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       vertex -12.295 -25.4486 4.8
@@ -3408,28 +3345,28 @@ solid OpenSCAD_Model
       vertex -23.705 -22.9446 4.8
     endloop
   endfacet
-  facet normal 0 -0.616701 0.787198
+  facet normal 0 -0.616703 0.787196
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       vertex -5 -25.6709 4.62578
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       vertex -5 -30.3291 4.62578
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+  facet normal 0 0.616701 0.787197
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       vertex -23.705 -30.7188 4.93111
       vertex -12.295 -30.7188 4.93111
@@ -3506,60 +3443,32 @@ solid OpenSCAD_Model
       vertex -12.295 -31.8336 6.54613
     endloop
   endfacet
-  facet normal 0 0.983621 0.180247
+  facet normal 0 0.983619 0.18026
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-  endfacet
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+  facet normal 0 0.998176 0.0603769
     outer loop
       vertex -23.705 -32.1 8
-      vertex -12.295 -32.0914 7.85733
-      vertex -23.705 -32.0787 7.64849
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   endfacet
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     outer loop
       vertex -23.705 -32.1 8
       vertex -12.295 -32.1 8
-      vertex -12.295 -32.0914 7.85733
+      vertex -12.295 -32.0701 7.50581
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   endfacet
   facet normal -0 0 1
@@ -3649,29 +3558,15 @@ solid OpenSCAD_Model
   facet normal -1 0 0
     outer loop
       vertex -23.705 -33.0554 8
-      vertex -23.705 -32.0066 7.15941
+      vertex -23.705 -32.0701 7.50581
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   facet normal -1 0 0
     outer loop
       vertex -23.705 -33.0554 8
       vertex -23.705 -32.1 8
-      vertex -23.705 -32.0787 7.64849
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       vertex -47.99 -31.3935 5.04462
-      vertex -31 -31.0478 4.68926
-      vertex -47.99 -31.0478 4.68926
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       vertex -31 -31.3935 5.04462
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       vertex -47.99 -31.698 5.43587
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       vertex -47.99 -32.1692 6.30661
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       vertex -41.6723 -32.3302 9.22446
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   endfacet
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       vertex -42.0005 -32.4932 8.24789
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   endfacet
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   facet normal -1 -0 0
     outer loop
       vertex -47.99 -34.65 0
-      vertex -47.99 -29.3433 3.70519
+      vertex -47.99 -29.3433 3.70518
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     outer loop
       vertex -47.99 -34.65 0
       vertex -47.99 -29.8076 3.87903
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+      vertex -47.99 -29.3433 3.70518
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@@ -14135,7 +13645,7 @@ solid OpenSCAD_Model
   facet normal -1 -0 0
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       vertex -47.99 -34.65 0
-      vertex -47.99 -31.0478 4.68926
+      vertex -47.99 -31.0478 4.68925
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@@ -14143,7 +13653,7 @@ solid OpenSCAD_Model
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       vertex -47.99 -34.65 0
       vertex -47.99 -31.3935 5.04462
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+      vertex -47.99 -31.0478 4.68925
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@@ -14365,21 +13875,14 @@ solid OpenSCAD_Model
   endfacet
   facet normal 1 0 0
     outer loop
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       vertex -5 -17.85 8
-      vertex -5 -24.0191 7.01882
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@@ -14400,21 +13903,21 @@ solid OpenSCAD_Model
   endfacet
   facet normal 1 0 0
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       vertex -5 -9.8 0
-      vertex -5 -24.9311 5.28121
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@@ -14435,7 +13938,7 @@ solid OpenSCAD_Model
   endfacet
   facet normal 1 -0 0
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       vertex -5 -9.8 0
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       vertex -5 -9.8 0
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@@ -14472,13 +13975,6 @@ solid OpenSCAD_Model
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       vertex -5 -29.4539 4.16644
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   facet normal 1 -0 0
     outer loop
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-      vertex -5 24.0191 7.01882
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@@ -14695,15 +14170,15 @@ solid OpenSCAD_Model
   facet normal 1 0 0
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@@ -14717,13 +14192,6 @@ solid OpenSCAD_Model
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@@ -14773,19 +14241,19 @@ solid OpenSCAD_Model
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@@ -14808,19 +14276,12 @@ solid OpenSCAD_Model
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       vertex -5 34.65 8
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     outer loop
       vertex -5 9.8 0
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@@ -14899,7 +14353,7 @@ solid OpenSCAD_Model
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       vertex -5 9.8 0
       vertex -5 25.2812 4.93111
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@@ -14912,7 +14366,7 @@ solid OpenSCAD_Model
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     outer loop
       vertex -5 9.8 0
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@@ -14920,7 +14374,7 @@ solid OpenSCAD_Model
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       vertex -5 9.8 0
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@@ -17170,72 +16624,51 @@ solid OpenSCAD_Model
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@@ -17243,21 +16676,21 @@ solid OpenSCAD_Model
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       vertex -9.005 -24.1664 6.54613
-      vertex -5 -24.0191 7.01882
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@@ -17284,75 +16717,75 @@ solid OpenSCAD_Model
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diff --git a/dibond/stls/printed/x_motor_bracket.stl b/dibond/stls/printed/x_motor_bracket.stl
index 8e2ba95..4ecf809 100644
--- a/dibond/stls/printed/x_motor_bracket.stl
+++ b/dibond/stls/printed/x_motor_bracket.stl
@@ -1676,7 +1676,7 @@ solid OpenSCAD_Model
     outer loop
       vertex -7.49 -10.8 16.2
       vertex 5 -10.8 0.0129591
-      vertex 5 -10.806 0.0129591
+      vertex 5 -18.2716 0.0129591
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@@ -1767,7 +1767,7 @@ solid OpenSCAD_Model
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       vertex -7.49 -18.2716 16.2
       vertex -7.49 -10.8 16.2
-      vertex 5 -10.806 0.0129591
+      vertex 5 -18.2716 0.0129591
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@@ -1791,17 +1791,10 @@ solid OpenSCAD_Model
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       vertex -7.49 -18.2716 16.2
-      vertex 5 -18.2716 0.01296
+      vertex 5 -18.2716 0.0129591
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@@ -3632,46 +3625,25 @@ solid OpenSCAD_Model
       vertex 12.3901 -23.188 8
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-      vertex 12.295 -23.9213 7.64849
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@@ -3807,7 +3779,7 @@ solid OpenSCAD_Model
       vertex 23.705 -24.9311 5.2812
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+  facet normal 0 -0.616701 0.787197
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@@ -3821,7 +3793,7 @@ solid OpenSCAD_Model
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   endfacet
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+  facet normal 0 -0.616701 0.787197
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@@ -3842,14 +3814,14 @@ solid OpenSCAD_Model
       vertex 31 -30.3291 4.62578
     endloop
   endfacet
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+  facet normal 0 0.616701 0.787197
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       vertex 23.705 -31.8336 6.54613
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   endfacet
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+  facet normal 0 0.983619 0.18026
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-  facet normal 0 0.998176 0.0603694
+  facet normal 0 0.998176 0.0603769
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@@ -4055,29 +3999,15 @@ solid OpenSCAD_Model
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     outer loop
       vertex 12.295 -32.7362 8
-      vertex 12.295 -32.0443 7.36522
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@@ -4154,13 +4084,6 @@ solid OpenSCAD_Model
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       vertex 12.295 23.9 8
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@@ -4185,34 +4108,20 @@ solid OpenSCAD_Model
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+  facet normal 0 0.998176 0.0603769
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+  facet normal 0 -0.616703 0.787196
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@@ -4346,7 +4255,7 @@ solid OpenSCAD_Model
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+      vertex 9.005 31.0689 5.2812
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     outer loop
-      vertex 5 31.0689 5.28121
-      vertex 9.005 31.3742 5.67095
-      vertex 5 31.3742 5.67095
+      vertex 5 31.0689 5.2812
+      vertex 9.005 31.3742 5.67094
+      vertex 5 31.3742 5.67094
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   endfacet
   facet normal -1 0 0
     outer loop
-      vertex 5 31.3742 5.67095
+      vertex 5 31.3742 5.67094
       vertex 5 31.6304 6.09464
       vertex 5 34.65 0
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   endfacet
   facet normal 0 -0.855778 0.517344
     outer loop
-      vertex 5 31.3742 5.67095
-      vertex 9.005 31.3742 5.67095
+      vertex 5 31.3742 5.67094
+      vertex 9.005 31.3742 5.67094
       vertex 9.005 31.6304 6.09464
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   facet normal 0 -0.855778 0.517344
     outer loop
-      vertex 5 31.3742 5.67095
+      vertex 5 31.3742 5.67094
       vertex 9.005 31.6304 6.09464
       vertex 5 31.6304 6.09464
     endloop
@@ -18069,7 +17467,7 @@ solid OpenSCAD_Model
   facet normal -1 0 0
     outer loop
       vertex 5 31.8336 6.54613
-      vertex 5 31.9809 7.01882
+      vertex 5 31.9809 7.01881
       vertex 5 34.65 8
     endloop
   endfacet
@@ -18077,90 +17475,55 @@ solid OpenSCAD_Model
     outer loop
       vertex 5 31.8336 6.54613
       vertex 9.005 31.8336 6.54613
-      vertex 9.005 31.9809 7.01882
+      vertex 9.005 31.9809 7.01881
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   endfacet
   facet normal 0 -0.954722 0.297499
     outer loop
       vertex 5 31.8336 6.54613
-      vertex 9.005 31.9809 7.01882
-      vertex 5 31.9809 7.01882
+      vertex 9.005 31.9809 7.01881
+      vertex 5 31.9809 7.01881
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   endfacet
   facet normal -1 0 0
     outer loop
-      vertex 5 31.9809 7.01882
-      vertex 5 31.9825 7.02783
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-      vertex 5 31.9809 7.01882
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-      vertex 5 31.9825 7.02783
-    endloop
-  endfacet
-  facet normal -1 0 0
-    outer loop
-      vertex 5 31.9825 7.02783
+      vertex 5 31.9809 7.01881
       vertex 5 32.0701 7.50581
       vertex 5 34.65 8
     endloop
   endfacet
-  facet normal 2.2357e-007 -0.98362 0.180254
+  facet normal 0 -0.983619 0.18026
     outer loop
-      vertex 5 31.9825 7.02783
-      vertex 9.005 31.9809 7.01882
-      vertex 9.005 31.9957 7.10007
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-      vertex 9.005 31.9957 7.10007
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-      vertex 5 32.0707 7.51497
-      vertex 5 34.65 8
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-  endfacet
-  facet normal 0 -0.983619 0.180262
-    outer loop
-      vertex 5 32.0701 7.50581
-      vertex 9.005 31.9957 7.10007
+      vertex 5 31.9809 7.01881
+      vertex 9.005 31.9809 7.01881
       vertex 9.005 32.0701 7.50581
     endloop
   endfacet
-  facet normal 0 -0.998178 0.0603317
+  facet normal 0 -0.983619 0.18026
     outer loop
-      vertex 5 32.0701 7.50581
+      vertex 5 31.9809 7.01881
       vertex 9.005 32.0701 7.50581
-      vertex 5 32.0707 7.51497
+      vertex 5 32.0701 7.50581
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   endfacet
   facet normal -1 -0 0
     outer loop
-      vertex 5 32.0707 7.51497
+      vertex 5 32.0701 7.50581
       vertex 5 32.1 8
       vertex 5 34.65 8
     endloop
   endfacet
-  facet normal 5.63778e-008 -0.998177 0.0603563
+  facet normal 0 -0.998176 0.0603769
     outer loop
-      vertex 5 32.0707 7.51497
+      vertex 5 32.0701 7.50581
       vertex 9.005 32.0701 7.50581
-      vertex 9.005 32.0751 7.58827
+      vertex 9.005 32.1 8
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   endfacet
-  facet normal -3.38961e-007 -0.998176 0.0603779
+  facet normal 0 -0.998176 0.0603769
     outer loop
-      vertex 5 32.0707 7.51497
-      vertex 9.005 32.0751 7.58827
+      vertex 5 32.0701 7.50581
+      vertex 9.005 32.1 8
       vertex 5 32.1 8
     endloop
   endfacet
@@ -18171,13 +17534,6 @@ solid OpenSCAD_Model
       vertex 5 34.65 8
     endloop
   endfacet
-  facet normal 0 -0.998175 0.0603811
-    outer loop
-      vertex 5 32.1 8
-      vertex 9.005 32.0751 7.58827
-      vertex 9.005 32.1 8
-    endloop
-  endfacet
   facet normal 0 0 1
     outer loop
       vertex 5 32.1 8
@@ -18238,13 +17594,13 @@ solid OpenSCAD_Model
     outer loop
       vertex 5 9.8 0
       vertex 5 17.85 8
-      vertex 5 24.9311 5.28121
+      vertex 5 24.9311 5.2812
     endloop
   endfacet
   facet normal -1 0 0
     outer loop
       vertex 5 9.8 0
-      vertex 5 24.9311 5.28121
+      vertex 5 24.9311 5.2812
       vertex 5 25.2812 4.93111
     endloop
   endfacet
@@ -18259,13 +17615,13 @@ solid OpenSCAD_Model
     outer loop
       vertex 5 9.8 0
       vertex 5 25.6709 4.62578
-      vertex 5 26.0946 4.36965
+      vertex 5 26.0946 4.36964
     endloop
   endfacet
   facet normal -1 -0 0
     outer loop
       vertex 5 9.8 0
-      vertex 5 26.0946 4.36965
+      vertex 5 26.0946 4.36964
       vertex 5 26.5461 4.16644
     endloop
   endfacet
@@ -21358,28 +20714,21 @@ solid OpenSCAD_Model
   endfacet
   facet normal 1 0 0
     outer loop
-      vertex 9.005 -23.9249 7.58827
+      vertex 9.005 -23.9299 7.50581
       vertex 9.005 -22.9446 8
       vertex 9.005 -23.9 8
     endloop
   endfacet
   facet normal 1 0 0
     outer loop
-      vertex 9.005 -23.9299 7.50581
-      vertex 9.005 -22.9446 8
-      vertex 9.005 -23.9249 7.58827
-    endloop
-  endfacet
-  facet normal 1 0 0
-    outer loop
-      vertex 9.005 -24.0191 7.01882
+      vertex 9.005 -24.0191 7.01881
       vertex 9.005 -22.9446 4.8
       vertex 9.005 -22.9446 8
     endloop
   endfacet
   facet normal 1 0 0
     outer loop
-      vertex 9.005 -24.0191 7.01882
+      vertex 9.005 -24.0191 7.01881
       vertex 9.005 -22.9446 8
       vertex 9.005 -23.9299 7.50581
     endloop
@@ -21388,7 +20737,7 @@ solid OpenSCAD_Model
     outer loop
       vertex 9.005 -24.1664 6.54613
       vertex 9.005 -22.9446 4.8
-      vertex 9.005 -24.0191 7.01882
+      vertex 9.005 -24.0191 7.01881
     endloop
   endfacet
   facet normal 1 -0 0
@@ -21400,23 +20749,23 @@ solid OpenSCAD_Model
   endfacet
   facet normal 1 -0 0
     outer loop
-      vertex 9.005 -24.6258 5.67095
+      vertex 9.005 -24.6258 5.67094
       vertex 9.005 -22.9446 4.8
       vertex 9.005 -24.3696 6.09464
     endloop
   endfacet
   facet normal 1 -0 0
     outer loop
-      vertex 9.005 -24.9311 5.28121
+      vertex 9.005 -24.9311 5.2812
       vertex 9.005 -22.9446 4.8
-      vertex 9.005 -24.6258 5.67095
+      vertex 9.005 -24.6258 5.67094
     endloop
   endfacet
   facet normal 1 -0 0
     outer loop
       vertex 9.005 -25.2812 4.93111
       vertex 9.005 -22.9446 4.8
-      vertex 9.005 -24.9311 5.28121
+      vertex 9.005 -24.9311 5.2812
     endloop
   endfacet
   facet normal 0 0 1
@@ -21472,20 +20821,20 @@ solid OpenSCAD_Model
     outer loop
       vertex 9.005 -33.0554 4.8
       vertex 9.005 -30.7188 4.93111
-      vertex 9.005 -31.0689 5.28121
+      vertex 9.005 -31.0689 5.2812
     endloop
   endfacet
   facet normal 1 0 0
     outer loop
       vertex 9.005 -33.0554 4.8
-      vertex 9.005 -31.0689 5.28121
-      vertex 9.005 -31.3742 5.67095
+      vertex 9.005 -31.0689 5.2812
+      vertex 9.005 -31.3742 5.67094
     endloop
   endfacet
   facet normal 1 0 0
     outer loop
       vertex 9.005 -33.0554 4.8
-      vertex 9.005 -31.3742 5.67095
+      vertex 9.005 -31.3742 5.67094
       vertex 9.005 -31.6304 6.09464
     endloop
   endfacet
@@ -21500,13 +20849,13 @@ solid OpenSCAD_Model
     outer loop
       vertex 9.005 -33.0554 4.8
       vertex 9.005 -31.8336 6.54613
-      vertex 9.005 -31.9809 7.01882
+      vertex 9.005 -31.9809 7.01881
     endloop
   endfacet
   facet normal 1 0 0
     outer loop
       vertex 9.005 -33.0554 4.8
-      vertex 9.005 -31.9809 7.01882
+      vertex 9.005 -31.9809 7.01881
       vertex 9.005 -33.0554 8
     endloop
   endfacet
@@ -21527,35 +20876,21 @@ solid OpenSCAD_Model
   facet normal 1 0 0
     outer loop
       vertex 9.005 -33.0554 8
-      vertex 9.005 -31.9809 7.01882
-      vertex 9.005 -32.0552 7.42456
-    endloop
-  endfacet
-  facet normal 1 0 0
-    outer loop
-      vertex 9.005 -33.0554 8
-      vertex 9.005 -32.0552 7.42456
+      vertex 9.005 -31.9809 7.01881
       vertex 9.005 -32.0701 7.50581
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   endfacet
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-    outer loop
-      vertex 9.005 -33.0554 8
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-  endfacet
   facet normal 1 -0 0
     outer loop
       vertex 9.005 -33.0554 8
-      vertex 9.005 -32.095 7.91754
+      vertex 9.005 -32.0701 7.50581
       vertex 9.005 -32.1 8
     endloop
   endfacet
   facet normal 1 0 0
     outer loop
       vertex 9.005 22.9446 4.8
-      vertex 9.005 24.0191 7.01882
+      vertex 9.005 24.0191 7.01881
       vertex 9.005 22.9446 8
     endloop
   endfacet
@@ -21563,7 +20898,7 @@ solid OpenSCAD_Model
     outer loop
       vertex 9.005 22.9446 4.8
       vertex 9.005 24.1664 6.54613
-      vertex 9.005 24.0191 7.01882
+      vertex 9.005 24.0191 7.01881
     endloop
   endfacet
   facet normal 1 0 0
@@ -21576,22 +20911,22 @@ solid OpenSCAD_Model
   facet normal 1 0 0
     outer loop
       vertex 9.005 22.9446 4.8
-      vertex 9.005 24.6258 5.67095
+      vertex 9.005 24.6258 5.67094
       vertex 9.005 24.3696 6.09464
     endloop
   endfacet
   facet normal 1 0 0
     outer loop
       vertex 9.005 22.9446 4.8
-      vertex 9.005 24.9311 5.28121
-      vertex 9.005 24.6258 5.67095
+      vertex 9.005 24.9311 5.2812
+      vertex 9.005 24.6258 5.67094
     endloop
   endfacet
   facet normal 1 0 0
     outer loop
       vertex 9.005 22.9446 4.8
       vertex 9.005 25.2812 4.93111
-      vertex 9.005 24.9311 5.28121
+      vertex 9.005 24.9311 5.2812
     endloop
   endfacet
   facet normal 1 0 0
@@ -21618,21 +20953,14 @@ solid OpenSCAD_Model
   facet normal 1 -0 0
     outer loop
       vertex 9.005 22.9446 8
-      vertex 9.005 23.905 7.91754
+      vertex 9.005 23.9299 7.50581
       vertex 9.005 23.9 8
     endloop
   endfacet
   facet normal 1 0 0
     outer loop
       vertex 9.005 22.9446 8
-      vertex 9.005 23.9299 7.50581
-      vertex 9.005 23.905 7.91754
-    endloop
-  endfacet
-  facet normal 1 0 0
-    outer loop
-      vertex 9.005 22.9446 8
-      vertex 9.005 24.0191 7.01882
+      vertex 9.005 24.0191 7.01881
       vertex 9.005 23.9299 7.50581
     endloop
   endfacet
@@ -21682,19 +21010,19 @@ solid OpenSCAD_Model
     outer loop
       vertex 9.005 30.7188 4.93111
       vertex 9.005 33.0554 4.8
-      vertex 9.005 31.0689 5.28121
+      vertex 9.005 31.0689 5.2812
     endloop
   endfacet
   facet normal 1 -0 0
     outer loop
-      vertex 9.005 31.0689 5.28121
+      vertex 9.005 31.0689 5.2812
       vertex 9.005 33.0554 4.8
-      vertex 9.005 31.3742 5.67095
+      vertex 9.005 31.3742 5.67094
     endloop
   endfacet
   facet normal 1 -0 0
     outer loop
-      vertex 9.005 31.3742 5.67095
+      vertex 9.005 31.3742 5.67094
       vertex 9.005 33.0554 4.8
       vertex 9.005 31.6304 6.09464
     endloop
@@ -21710,26 +21038,19 @@ solid OpenSCAD_Model
     outer loop
       vertex 9.005 31.8336 6.54613
       vertex 9.005 33.0554 4.8
-      vertex 9.005 31.9809 7.01882
+      vertex 9.005 31.9809 7.01881
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   endfacet
   facet normal 1 0 0
     outer loop
-      vertex 9.005 31.9809 7.01882
+      vertex 9.005 31.9809 7.01881
       vertex 9.005 33.0554 4.8
       vertex 9.005 33.0554 8
     endloop
   endfacet
   facet normal 1 0 0
     outer loop
-      vertex 9.005 31.9809 7.01882
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-      vertex 9.005 31.9957 7.10007
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-  endfacet
-  facet normal 1 0 0
-    outer loop
-      vertex 9.005 31.9957 7.10007
+      vertex 9.005 31.9809 7.01881
       vertex 9.005 33.0554 8
       vertex 9.005 32.0701 7.50581
     endloop
@@ -21738,13 +21059,6 @@ solid OpenSCAD_Model
     outer loop
       vertex 9.005 32.0701 7.50581
       vertex 9.005 33.0554 8
-      vertex 9.005 32.0751 7.58827
-    endloop
-  endfacet
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       vertex 9.005 32.1 8
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diff --git a/dibond/stls/printed/y_bearing_mounts.stl b/dibond/stls/printed/y_bearing_mounts.stl
index 900bd35..d94d06c 100644
--- a/dibond/stls/printed/y_bearing_mounts.stl
+++ b/dibond/stls/printed/y_bearing_mounts.stl
@@ -1854,7 +1854,7 @@ solid OpenSCAD_Model
       vertex -10 15 7
     endloop
   endfacet
-  facet normal -1.91117e-007 -1 0
+  facet normal 0 -1 0
     outer loop
       vertex -14.99 5 0
       vertex -10 5 8.7738e-007
@@ -1882,7 +1882,7 @@ solid OpenSCAD_Model
       vertex -14.99 5.00467 0
     endloop
   endfacet
-  facet normal -1.90734e-007 -0.999998 -0.00217396
+  facet normal 0 -1 0
     outer loop
       vertex -14.99 5 0
       vertex -9.99 5 0
@@ -1896,7 +1896,7 @@ solid OpenSCAD_Model
       vertex -12.09 7.22872 7
     endloop
   endfacet
-  facet normal -1.91117e-007 -1 0
+  facet normal 0 -1 0
     outer loop
       vertex -14.99 5 7
       vertex -10 5 8.7738e-007
@@ -3487,28 +3487,28 @@ solid OpenSCAD_Model
   endfacet
   facet normal 0 0 -1
     outer loop
-      vertex -19.3811 7.60874 0
+      vertex -19.3811 7.60873 0
       vertex -15.4301 9.16201 0
       vertex -19.1212 7.18341 0
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   endfacet
   facet normal -0.853283 -0.521448 0
     outer loop
-      vertex -19.3811 7.60874 0
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+      vertex -19.3811 7.60873 7
     endloop
   endfacet
   facet normal -0.853283 -0.521448 0
     outer loop
-      vertex -19.3811 7.60874 7
+      vertex -19.3811 7.60873 7
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       vertex -19.1212 7.18341 7
     endloop
   endfacet
   facet normal 0 0 1
     outer loop
-      vertex -19.3811 7.60874 7
+      vertex -19.3811 7.60873 7
       vertex -19.1212 7.18341 7
       vertex -16.89 10 7
     endloop
@@ -3545,27 +3545,27 @@ solid OpenSCAD_Model
     outer loop
       vertex -19.5974 8.05783 0
       vertex -15.4301 9.16201 0
-      vertex -19.3811 7.60874 0
+      vertex -19.3811 7.60873 0
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   endfacet
   facet normal -0.900965 -0.433891 0
     outer loop
       vertex -19.5974 8.05783 0
-      vertex -19.3811 7.60874 0
+      vertex -19.3811 7.60873 0
       vertex -19.5974 8.05783 7
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   endfacet
   facet normal -0.900965 -0.433891 0
     outer loop
       vertex -19.5974 8.05783 7
-      vertex -19.3811 7.60874 0
-      vertex -19.3811 7.60874 7
+      vertex -19.3811 7.60873 0
+      vertex -19.3811 7.60873 7
     endloop
   endfacet
   facet normal 0 0 1
     outer loop
       vertex -19.5974 8.05783 7
-      vertex -19.3811 7.60874 7
+      vertex -19.3811 7.60873 7
       vertex -16.89 10 7
     endloop
   endfacet
@@ -3835,7 +3835,7 @@ solid OpenSCAD_Model
       vertex -19.9651 10.4978 0
     endloop
   endfacet
-  facet normal -0.998756 -0.0498675 0
+  facet normal -0.998756 -0.0498674 0
     outer loop
       vertex -19.99 10 0
       vertex -19.9651 9.50217 0
@@ -3856,7 +3856,7 @@ solid OpenSCAD_Model
       vertex -19.9651 10.4978 7
     endloop
   endfacet
-  facet normal -0.998756 -0.0498675 0
+  facet normal -0.998756 -0.0498674 0
     outer loop
       vertex -19.99 10 7
       vertex -19.9651 9.50217 0
@@ -12277,14 +12277,14 @@ solid OpenSCAD_Model
       vertex -42 15 7
     endloop
   endfacet
-  facet normal -1.90734e-007 -0.999998 -0.00217354
+  facet normal 0 -1 0
     outer loop
       vertex -46.99 5 0
       vertex -41.99 5 0
       vertex -42 5 8.7738e-007
     endloop
   endfacet
-  facet normal -1.91117e-007 -1 0
+  facet normal 0 -1 0
     outer loop
       vertex -46.99 5 0
       vertex -42 5 8.7738e-007
@@ -12319,7 +12319,7 @@ solid OpenSCAD_Model
       vertex -44.09 7.22872 7
     endloop
   endfacet
-  facet normal -1.91117e-007 -1 0
+  facet normal 0 -1 0
     outer loop
       vertex -46.99 5 7
       vertex -42 5 8.7738e-007
@@ -12748,28 +12748,28 @@ solid OpenSCAD_Model
   endfacet
   facet normal 0 0 -1
     outer loop
-      vertex -49.271 14.4494 0
+      vertex -49.2711 14.4494 0
       vertex -48.8167 14.6544 0
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   endfacet
   facet normal -0.411264 0.911516 0
     outer loop
-      vertex -49.271 14.4494 0
-      vertex -49.271 14.4494 7
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       vertex -48.8167 14.6544 0
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   endfacet
   facet normal -0 0 1
     outer loop
-      vertex -49.271 14.4494 7
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       vertex -47.29 12.7713 7
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   endfacet
   facet normal -0.411264 0.911516 0
     outer loop
-      vertex -49.271 14.4494 7
+      vertex -49.2711 14.4494 7
       vertex -48.8167 14.6544 7
       vertex -48.8167 14.6544 0
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@@ -12805,7 +12805,7 @@ solid OpenSCAD_Model
   facet normal 0 0 -1
     outer loop
       vertex -49.7027 14.2001 0
-      vertex -49.271 14.4494 0
+      vertex -49.2711 14.4494 0
       vertex -47.4301 10.838 0
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   endfacet
@@ -12813,21 +12813,21 @@ solid OpenSCAD_Model
     outer loop
       vertex -49.7027 14.2001 0
       vertex -49.7027 14.2001 7
-      vertex -49.271 14.4494 0
+      vertex -49.2711 14.4494 0
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   endfacet
   facet normal -0 0 1
     outer loop
       vertex -49.7027 14.2001 7
       vertex -47.29 12.7713 7
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   facet normal -0.500017 0.866015 0
     outer loop
       vertex -49.7027 14.2001 7
-      vertex -49.271 14.4494 7
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+      vertex -49.2711 14.4494 7
+      vertex -49.2711 14.4494 0
     endloop
   endfacet
   facet normal 0 0 -1
@@ -13180,7 +13180,7 @@ solid OpenSCAD_Model
       vertex -47.4301 10.838 0
     endloop
   endfacet
-  facet normal -0.583731 0.811947 0
+  facet normal -0.583734 0.811945 0
     outer loop
       vertex -50.1074 13.9091 0
       vertex -50.1074 13.9091 7
@@ -13194,7 +13194,7 @@ solid OpenSCAD_Model
       vertex -49.7027 14.2001 7
     endloop
   endfacet
-  facet normal -0.583731 0.811947 0
+  facet normal -0.583734 0.811945 0
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       vertex -50.1074 13.9091 7
       vertex -49.7027 14.2001 7
@@ -13441,28 +13441,28 @@ solid OpenSCAD_Model
   endfacet
   facet normal 0 0 -1
     outer loop
-      vertex -51.3811 7.60874 0
+      vertex -51.3811 7.60873 0
       vertex -47.4301 9.16201 0
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+      vertex -51.3811 7.60873 7
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@@ -13499,27 +13499,27 @@ solid OpenSCAD_Model
     outer loop
       vertex -51.5974 8.05783 0
       vertex -47.4301 9.16201 0
-      vertex -51.3811 7.60874 0
+      vertex -51.3811 7.60873 0
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-      vertex -51.3811 7.60874 7
+      vertex -51.3811 7.60873 7
       vertex -48.89 10 7
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@@ -13719,7 +13719,7 @@ solid OpenSCAD_Model
       vertex -51.9651 10.4978 0
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   endfacet
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+  facet normal -0.998756 -0.0498674 0
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@@ -13740,7 +13740,7 @@ solid OpenSCAD_Model
       vertex -51.9651 10.4978 7
     endloop
   endfacet
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+  facet normal -0.998756 -0.0498674 0
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@@ -16246,7 +16246,7 @@ solid OpenSCAD_Model
       vertex 12.0349 10.4978 0
     endloop
   endfacet
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+  facet normal -0.998756 -0.0498674 0
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@@ -16267,7 +16267,7 @@ solid OpenSCAD_Model
       vertex 12.0349 9.50217 0
     endloop
   endfacet
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+  facet normal -0.998756 -0.0498674 0
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@@ -16557,7 +16557,7 @@ solid OpenSCAD_Model
   facet normal -0.900965 -0.433891 0
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       vertex 12.4026 8.05783 0
-      vertex 12.6189 7.60874 0
+      vertex 12.6189 7.60873 0
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@@ -16565,20 +16565,20 @@ solid OpenSCAD_Model
     outer loop
       vertex 12.4026 8.05783 0
       vertex 16.5699 9.16201 0
-      vertex 12.6189 7.60874 0
+      vertex 12.6189 7.60873 0
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+      vertex 12.6189 7.60873 7
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@@ -16612,28 +16612,28 @@ solid OpenSCAD_Model
   endfacet
   facet normal -0.853283 -0.521448 0
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@@ -17681,7 +17681,7 @@ solid OpenSCAD_Model
       vertex 19.9651 -10.4978 0
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+  facet normal -0.222518 0.974929 0
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@@ -17702,7 +17702,7 @@ solid OpenSCAD_Model
       vertex 16.5699 10.838 0
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   endfacet
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+  facet normal -0.222518 0.974929 0
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       vertex 16.1418 14.924 7
@@ -18262,14 +18262,14 @@ solid OpenSCAD_Model
       vertex 17.01 5.00467 0
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+  facet normal 0 -1 0
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+  facet normal 0 -1 0
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@@ -18290,7 +18290,7 @@ solid OpenSCAD_Model
       vertex 19.91 7.22872 7
     endloop
   endfacet
-  facet normal -1.91117e-007 -1 0
+  facet normal 0 -1 0
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diff --git a/dibond/stls/printed/y_idler_bracket.stl b/dibond/stls/printed/y_idler_bracket.stl
index 040ee11..a2aacb8 100644
--- a/dibond/stls/printed/y_idler_bracket.stl
+++ b/dibond/stls/printed/y_idler_bracket.stl
@@ -97,67 +97,67 @@ solid OpenSCAD_Model
       vertex -7.2 -9.01067 26.7593
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   endfacet
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+  facet normal 0 0.0541224 0.998534
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@@ -359,7 +359,7 @@ solid OpenSCAD_Model
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diff --git a/dibond/stls/printed/y_motor_bracket.stl b/dibond/stls/printed/y_motor_bracket.stl
index 21941cf..0bdbd42 100644
--- a/dibond/stls/printed/y_motor_bracket.stl
+++ b/dibond/stls/printed/y_motor_bracket.stl
@@ -1,217 +1,217 @@
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diff --git a/dibond/stls/printed/z_coupling.stl b/dibond/stls/printed/z_coupling.stl
index b2d10bf..7c2fb15 100644
--- a/dibond/stls/printed/z_coupling.stl
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   facet normal 0 0.917211 0.398401
     outer loop
       vertex 1 -3.4157 6.78606
@@ -3191,24 +2575,10 @@ solid OpenSCAD_Model
       vertex 5.85 -3.4157 6.78606
     endloop
   endfacet
-  facet normal 1 4.70388e-006 6.46534e-007
+  facet normal 1 0 0
     outer loop
       vertex 1 -3.61655 7.75262
       vertex 1 -3.54918 7.26247
-      vertex 1 -3.54918 8
-    endloop
-  endfacet
-  facet normal 1 4.72601e-006 6.40508e-007
-    outer loop
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-      vertex 1 -3.54918 8
-      vertex 1 -3.59963 8
-    endloop
-  endfacet
-  facet normal 1 1.40899e-005 0
-    outer loop
-      vertex 1 -3.61655 7.75262
-      vertex 1 -3.59963 8
       vertex 1 -3.61655 8
     endloop
   endfacet
@@ -3233,6 +2603,20 @@ solid OpenSCAD_Model
       vertex 5.85 -3.54918 7.26247
     endloop
   endfacet
+  facet normal 1 -0 0
+    outer loop
+      vertex 1 -3.61655 8
+      vertex 1 -3.4157 6.78606
+      vertex 1 3.61655 8
+    endloop
+  endfacet
+  facet normal 1 0 0
+    outer loop
+      vertex 1 -3.61655 8
+      vertex 1 -3.54918 7.26247
+      vertex 1 -3.4157 6.78606
+    endloop
+  endfacet
   facet normal 0 0 1
     outer loop
       vertex 1 -3.61655 8
@@ -3261,6 +2645,13 @@ solid OpenSCAD_Model
       vertex 5.61706 -5.95477 8
     endloop
   endfacet
+  facet normal 1 0 0
+    outer loop
+      vertex 1 0 4.375
+      vertex 1 0.493604 4.40876
+      vertex 1 3.61655 8
+    endloop
+  endfacet
   facet normal -0 0.0682414 0.997669
     outer loop
       vertex 1 0 4.375
@@ -3275,6 +2666,13 @@ solid OpenSCAD_Model
       vertex 1 0.493604 4.40876
     endloop
   endfacet
+  facet normal 1 0 0
+    outer loop
+      vertex 1 0.493604 4.40876
+      vertex 1 0.978013 4.50942
+      vertex 1 3.61655 8
+    endloop
+  endfacet
   facet normal 0 -0.0682414 0.997669
     outer loop
       vertex 1 0.493604 4.40876
@@ -3289,6 +2687,13 @@ solid OpenSCAD_Model
       vertex 1 0.978013 4.50942
     endloop
   endfacet
+  facet normal 1 0 0
+    outer loop
+      vertex 1 0.978013 4.50942
+      vertex 1 1.4442 4.67511
+      vertex 1 3.61655 8
+    endloop
+  endfacet
   facet normal 0 -0.203456 0.979084
     outer loop
       vertex 1 0.978013 4.50942
@@ -3303,6 +2708,13 @@ solid OpenSCAD_Model
       vertex 1 1.4442 4.67511
     endloop
   endfacet
+  facet normal 1 0 0
+    outer loop
+      vertex 1 1.4442 4.67511
+      vertex 1 1.88349 4.90273
+      vertex 1 3.61655 8
+    endloop
+  endfacet
   facet normal 0 -0.334881 0.942261
     outer loop
       vertex 1 1.4442 4.67511
@@ -3317,6 +2729,13 @@ solid OpenSCAD_Model
       vertex 1 1.88349 4.90273
     endloop
   endfacet
+  facet normal 1 0 0
+    outer loop
+      vertex 1 1.88349 4.90273
+      vertex 1 2.28769 5.18805
+      vertex 1 3.61655 8
+    endloop
+  endfacet
   facet normal 0 -0.460064 0.887886
     outer loop
       vertex 1 1.88349 4.90273
@@ -3331,6 +2750,13 @@ solid OpenSCAD_Model
       vertex 1 2.28769 5.18805
     endloop
   endfacet
+  facet normal 1 0 0
+    outer loop
+      vertex 1 2.28769 5.18805
+      vertex 1 2.64928 5.52574
+      vertex 1 3.61655 8
+    endloop
+  endfacet
   facet normal 0 -0.576681 0.816969
     outer loop
       vertex 1 2.28769 5.18805
@@ -3345,6 +2771,13 @@ solid OpenSCAD_Model
       vertex 1 2.64928 5.52574
     endloop
   endfacet
+  facet normal 1 0 0
+    outer loop
+      vertex 1 2.64928 5.52574
+      vertex 1 2.96152 5.90953
+      vertex 1 3.61655 8
+    endloop
+  endfacet
   facet normal 0 -0.682553 0.730836
     outer loop
       vertex 1 2.64928 5.52574
@@ -3366,6 +2799,13 @@ solid OpenSCAD_Model
       vertex 1 2.96152 5.90953
     endloop
   endfacet
+  facet normal 1 0 0
+    outer loop
+      vertex 1 2.96152 5.90953
+      vertex 1 3.21858 6.33226
+      vertex 1 3.61655 8
+    endloop
+  endfacet
   facet normal 0 -0.85442 0.519583
     outer loop
       vertex 1 2.96152 5.90953
@@ -3380,6 +2820,13 @@ solid OpenSCAD_Model
       vertex 1 3.21858 6.33226
     endloop
   endfacet
+  facet normal 1 0 0
+    outer loop
+      vertex 1 3.21858 6.33226
+      vertex 1 3.4157 6.78606
+      vertex 1 3.61655 8
+    endloop
+  endfacet
   facet normal 0 -0.917211 0.398401
     outer loop
       vertex 1 3.21858 6.33226
@@ -3394,6 +2841,13 @@ solid OpenSCAD_Model
       vertex 1 3.4157 6.78606
     endloop
   endfacet
+  facet normal 1 0 0
+    outer loop
+      vertex 1 3.4157 6.78606
+      vertex 1 3.54918 7.26247
+      vertex 1 3.61655 8
+    endloop
+  endfacet
   facet normal 0 -0.962917 0.269797
     outer loop
       vertex 1 3.4157 6.78606
@@ -3408,11 +2862,11 @@ solid OpenSCAD_Model
       vertex 1 3.54918 7.26247
     endloop
   endfacet
-  facet normal 1 -4.70388e-006 6.46534e-007
+  facet normal 1 0 0
     outer loop
       vertex 1 3.54918 7.26247
       vertex 1 3.61655 7.75262
-      vertex 1 3.54918 8
+      vertex 1 3.61655 8
     endloop
   endfacet
   facet normal 0 -0.990686 0.136167
@@ -3429,20 +2883,6 @@ solid OpenSCAD_Model
       vertex 1 3.61655 7.75262
     endloop
   endfacet
-  facet normal 1 -4.72601e-006 6.40508e-007
-    outer loop
-      vertex 1 3.54918 8
-      vertex 1 3.61655 7.75262
-      vertex 1 3.59963 8
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-  endfacet
-  facet normal 1 -1.40899e-005 0
-    outer loop
-      vertex 1 3.59963 8
-      vertex 1 3.61655 7.75262
-      vertex 1 3.61655 8
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   facet normal 0 -1 -0
     outer loop
       vertex 1 3.61655 7.75262
diff --git a/dibond/stls/printed/z_motor_brackets.stl b/dibond/stls/printed/z_motor_brackets.stl
index d5dabf2..74bea45 100644
--- a/dibond/stls/printed/z_motor_brackets.stl
+++ b/dibond/stls/printed/z_motor_brackets.stl
@@ -97,14 +97,14 @@ solid OpenSCAD_Model
       vertex -1.00622 -16.7492 4
     endloop
   endfacet
-  facet normal 0.995031 0 0.0995674
+  facet normal 0.995031 0 0.099567
     outer loop
       vertex -1.05585 31 19.7452
       vertex -1.00622 31 19.2492
       vertex -1.00622 40 19.2492
     endloop
   endfacet
-  facet normal 0.995031 -2.1101e-008 0.099567
+  facet normal 0.995031 -0 0.099567
     outer loop
       vertex -1.05585 31 19.7452
       vertex -1.00622 40 19.2492
@@ -132,7 +132,7 @@ solid OpenSCAD_Model
       vertex -1.05585 -17.2452 4
     endloop
   endfacet
-  facet normal 0.980172 -4.19928e-008 0.198147
+  facet normal 0.980172 0 0.198147
     outer loop
       vertex -1.15461 31 20.2338
       vertex -1.05585 31 19.7452
@@ -167,14 +167,14 @@ solid OpenSCAD_Model
       vertex -1.15461 -17.7338 4
     endloop
   endfacet
-  facet normal 0.955573 0 0.294755
+  facet normal 0.955573 0 0.294754
     outer loop
       vertex -1.30154 31 20.7101
       vertex -1.15461 31 20.2338
       vertex -1.15461 40 20.2338
     endloop
   endfacet
-  facet normal 0.955573 -6.24666e-008 0.294754
+  facet normal 0.955573 -0 0.294754
     outer loop
       vertex -1.30154 31 20.7101
       vertex -1.15461 40 20.2338
@@ -202,7 +202,7 @@ solid OpenSCAD_Model
       vertex -1.30154 -18.2101 4
     endloop
   endfacet
-  facet normal 0.921476 -8.232e-008 0.388435
+  facet normal 0.921476 0 0.388436
     outer loop
       vertex -1.49516 31 21.1694
       vertex -1.30154 31 20.7101
@@ -419,7 +419,7 @@ solid OpenSCAD_Model
       vertex -9.53742 35 13.0343
     endloop
   endfacet
-  facet normal 0.866025 -2.38419e-007 -0.5
+  facet normal 0.866025 0 -0.5
     outer loop
       vertex -11.6 35 14
       vertex -9.525 35 17.594
@@ -517,7 +517,7 @@ solid OpenSCAD_Model
       vertex -6.57023 13.6171 4
     endloop
   endfacet
-  facet normal 1 -4.82139e-008 4.77317e-008
+  facet normal 1 0 -0
     outer loop
       vertex -12 11.2199 4
       vertex -12 31 4
@@ -902,18 +902,11 @@ solid OpenSCAD_Model
       vertex -16 23.99 4
     endloop
   endfacet
-  facet normal -1 0 0
-    outer loop
-      vertex -16 23.99 0
-      vertex -16 23.99 16.8991
-      vertex -16 32.49 0
-    endloop
-  endfacet
   facet normal -1 0 0
     outer loop
       vertex -16 23.99 0
       vertex -16 23.99 4
-      vertex -16 23.99 16.8991
+      vertex -16 32.49 0
     endloop
   endfacet
   facet normal 0 0 -1
@@ -930,7 +923,7 @@ solid OpenSCAD_Model
       vertex -8.20418 17.01 0
     endloop
   endfacet
-  facet normal -2.32863e-007 -0.710651 0.703544
+  facet normal -2.49808e-007 -0.710651 0.703544
     outer loop
       vertex -16 23.99 16.8991
       vertex -12 11.2199 4
@@ -958,6 +951,13 @@ solid OpenSCAD_Model
       vertex -16 32.49 0
     endloop
   endfacet
+  facet normal -1 0 0
+    outer loop
+      vertex -16 23.99 4
+      vertex -16 23.99 16.8991
+      vertex -16 32.49 0
+    endloop
+  endfacet
   facet normal 0 -1 0
     outer loop
       vertex -16 31 23.9799
@@ -1000,14 +1000,14 @@ solid OpenSCAD_Model
       vertex -8.20418 17.01 0
     endloop
   endfacet
-  facet normal -0.995182 0.0980455 9.35035e-008
+  facet normal -0.995182 0.0980455 0
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       vertex -16.048 23.5023 0
       vertex -16 23.99 4
       vertex -16 23.99 0
     endloop
   endfacet
-  facet normal -0.995182 0.0980462 0
+  facet normal -0.995182 0.0980455 0
     outer loop
       vertex -16.048 23.5023 0
       vertex -16.048 23.5023 4
@@ -2505,7 +2505,7 @@ solid OpenSCAD_Model
       vertex -3.5 -20.8301 4
     endloop
   endfacet
-  facet normal 0.542547 -1.78025e-007 0.840026
+  facet normal 0.542549 0 0.840024
     outer loop
       vertex -3.5 31 23.3301
       vertex -3.08128 31 23.0597
@@ -2540,14 +2540,14 @@ solid OpenSCAD_Model
       vertex -3.94356 -21.0575 4
     endloop
   endfacet
-  facet normal 0.45621 -1.88589e-007 0.889872
+  facet normal 0.45621 0 0.889872
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       vertex -3.5 31 23.3301
       vertex -3.94356 40 23.5575
     endloop
   endfacet
-  facet normal 0.45621 -1.88589e-007 0.889872
+  facet normal 0.45621 0 0.889872
     outer loop
       vertex -3.94356 40 23.5575
       vertex -3.5 31 23.3301
@@ -2967,14 +2967,14 @@ solid OpenSCAD_Model
       vertex -33 31 23.9799
     endloop
   endfacet
-  facet normal -0.866026 -2.38418e-007 -0.499999
+  facet normal -0.866026 -0 -0.499999
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       vertex -35.475 35 17.594
       vertex -33.4 31 14
     endloop
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-  facet normal -0.866026 0 -0.5
+  facet normal -0.866026 0 -0.499999
     outer loop
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       vertex -33.4 35 14
@@ -4199,14 +4199,14 @@ solid OpenSCAD_Model
       vertex -36.2599 -16.338 0
     endloop
   endfacet
-  facet normal -1 -0.000613685 0
+  facet normal -1 0 0
     outer loop
       vertex -38.995 -21.5 0
       vertex -38.995 -21.4938 4
       vertex -38.995 -21.4938 0
     endloop
   endfacet
-  facet normal -1 -0.000613685 0
+  facet normal -1 -0 0
     outer loop
       vertex -38.995 -21.5 0
       vertex -38.995 -21.5 4
@@ -4269,14 +4269,14 @@ solid OpenSCAD_Model
       vertex -33 31 23.9799
     endloop
   endfacet
-  facet normal -1 -4.23855e-007 0
+  facet normal -1 -0 0
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       vertex -38.995 31 23.9938
       vertex -38.995 31 24
       vertex -38.995 40 24
     endloop
   endfacet
-  facet normal -1 -4.23855e-007 0
+  facet normal -1 0 0
     outer loop
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       vertex -38.995 40 24
@@ -4738,7 +4738,7 @@ solid OpenSCAD_Model
       vertex -38.995 31 23.9938
     endloop
   endfacet
-  facet normal 0 -4.76837e-007 -1
+  facet normal 0 0 -1
     outer loop
       vertex -39.625 31 17.594
       vertex -35.475 35 17.594
@@ -4752,7 +4752,7 @@ solid OpenSCAD_Model
       vertex -39.2492 31 23.9938
     endloop
   endfacet
-  facet normal -0 -4.76837e-007 -1
+  facet normal -0 0 -1
     outer loop
       vertex -39.625 31 17.594
       vertex -39.625 35 17.594
@@ -5186,14 +5186,14 @@ solid OpenSCAD_Model
       vertex -4.40757 -21.2396 4
     endloop
   endfacet
-  facet normal 0.365342 0 0.930873
+  facet normal 0.365339 0 0.930875
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       vertex -3.94356 31 23.5575
       vertex -4.40757 40 23.7396
     endloop
   endfacet
-  facet normal 0.365339 -1.97278e-007 0.930875
+  facet normal 0.365339 0 0.930875
     outer loop
       vertex -4.40757 40 23.7396
       vertex -3.94356 31 23.5575
@@ -5291,14 +5291,14 @@ solid OpenSCAD_Model
       vertex -39.7452 -21.4442 0
     endloop
   endfacet
-  facet normal -0.198147 -0.980172 -0
+  facet normal -0.198144 -0.980173 -0
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       vertex -39.7452 -21.4442 0
       vertex -39.7452 -21.4442 4
     endloop
   endfacet
-  facet normal -0.198147 -0.980172 0
+  facet normal -0.198144 -0.980173 0
     outer loop
       vertex -40.2338 -21.3454 0
       vertex -39.7452 -21.4442 4
@@ -5319,14 +5319,14 @@ solid OpenSCAD_Model
       vertex -39.7452 31 23.9442
     endloop
   endfacet
-  facet normal -0.198147 0 0.980172
+  facet normal -0.198144 0 0.980173
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       vertex -39.7452 31 23.9442
       vertex -40.2338 40 23.8454
     endloop
   endfacet
-  facet normal -0.198147 0 0.980172
+  facet normal -0.198144 0 0.980173
     outer loop
       vertex -40.2338 40 23.8454
       vertex -39.7452 31 23.9442
@@ -5676,14 +5676,14 @@ solid OpenSCAD_Model
       vertex -41.1694 -21.0048 0
     endloop
   endfacet
-  facet normal -0.478252 -0.878222 -0
+  facet normal -0.478255 -0.878221 -0
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       vertex -41.1694 -21.0048 0
       vertex -41.1694 -21.0048 4
     endloop
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-  facet normal -0.478252 -0.878222 0
+  facet normal -0.478255 -0.878221 0
     outer loop
       vertex -41.6072 -20.7665 0
       vertex -41.1694 -21.0048 4
@@ -5708,14 +5708,14 @@ solid OpenSCAD_Model
     outer loop
       vertex -41.6072 31 23.2665
       vertex -41.1694 31 23.5048
-      vertex -41.1694 40 23.5048
+      vertex -41.6072 40 23.2665
     endloop
   endfacet
-  facet normal -0.478252 -2.0271e-007 0.878222
+  facet normal -0.478255 0 0.878221
     outer loop
-      vertex -41.6072 31 23.2665
-      vertex -41.1694 40 23.5048
       vertex -41.6072 40 23.2665
+      vertex -41.1694 31 23.5048
+      vertex -41.1694 40 23.5048
     endloop
   endfacet
   facet normal -0 0 1
@@ -5788,7 +5788,7 @@ solid OpenSCAD_Model
       vertex -39.6374 35 13.0343
     endloop
   endfacet
-  facet normal 0.866025 -2.38419e-007 -0.5
+  facet normal 0.866025 0 -0.5
     outer loop
       vertex -41.7 35 14
       vertex -39.625 35 17.594
@@ -5991,14 +5991,14 @@ solid OpenSCAD_Model
       vertex -41.6072 31 23.2665
     endloop
   endfacet
-  facet normal -0.563318 0 0.82624
+  facet normal -0.563321 0 0.826238
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       vertex -41.6072 31 23.2665
       vertex -42.019 40 22.9857
     endloop
   endfacet
-  facet normal -0.563321 -2.38767e-007 0.826238
+  facet normal -0.563321 0 0.826238
     outer loop
       vertex -42.019 40 22.9857
       vertex -41.6072 31 23.2665
@@ -6117,14 +6117,14 @@ solid OpenSCAD_Model
       vertex -42.4009 -20.1653 0
     endloop
   endfacet
-  facet normal -0.715868 -0.698236 0
+  facet normal -0.715866 -0.698237 0
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       vertex -42.4009 -20.1653 0
       vertex -42.7489 -19.8084 4
     endloop
   endfacet
-  facet normal -0.715868 -0.698236 0
+  facet normal -0.715866 -0.698237 0
     outer loop
       vertex -42.7489 -19.8084 4
       vertex -42.4009 -20.1653 0
@@ -6145,14 +6145,14 @@ solid OpenSCAD_Model
       vertex -42.4009 31 22.6653
     endloop
   endfacet
-  facet normal -0.715868 0 0.698236
+  facet normal -0.715866 0 0.698237
     outer loop
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       vertex -42.4009 31 22.6653
       vertex -42.4009 40 22.6653
     endloop
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-  facet normal -0.715868 0 0.698236
+  facet normal -0.715866 0 0.698237
     outer loop
       vertex -42.7489 31 22.3084
       vertex -42.4009 40 22.6653
@@ -6208,14 +6208,14 @@ solid OpenSCAD_Model
       vertex -42.7489 -19.8084 0
     endloop
   endfacet
-  facet normal -0.781831 -0.62349 0
+  facet normal -0.781833 -0.623488 0
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       vertex -42.7489 -19.8084 0
       vertex -43.0597 -19.4187 4
     endloop
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-  facet normal -0.781831 -0.62349 0
+  facet normal -0.781833 -0.623488 0
     outer loop
       vertex -43.0597 -19.4187 4
       vertex -42.7489 -19.8084 0
@@ -6236,14 +6236,14 @@ solid OpenSCAD_Model
       vertex -42.7489 31 22.3084
     endloop
   endfacet
-  facet normal -0.781831 0 0.62349
+  facet normal -0.781833 0 0.623488
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       vertex -42.7489 31 22.3084
       vertex -42.7489 40 22.3084
     endloop
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-  facet normal -0.781831 0 0.62349
+  facet normal -0.781833 0 0.623488
     outer loop
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       vertex -42.7489 40 22.3084
@@ -6586,14 +6586,14 @@ solid OpenSCAD_Model
       vertex -43.7396 -18.0924 0
     endloop
   endfacet
-  facet normal -0.962623 -0.270846 0
+  facet normal -0.962623 -0.270847 0
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+  facet normal -0.962623 -0.270847 0
     outer loop
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       vertex -43.7396 -18.0924 0
@@ -6614,14 +6614,14 @@ solid OpenSCAD_Model
       vertex -43.7396 31 20.5924
     endloop
   endfacet
-  facet normal -0.962625 0 0.270839
+  facet normal -0.962623 0 0.270847
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       vertex -43.7396 40 20.5924
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-  facet normal -0.962623 -4.08013e-007 0.270846
+  facet normal -0.962623 0 0.270847
     outer loop
       vertex -43.8746 31 20.1126
       vertex -43.7396 40 20.5924
@@ -6635,14 +6635,14 @@ solid OpenSCAD_Model
       vertex -43.8746 -17.6126 0
     endloop
   endfacet
-  facet normal -0.984808 -0.173647 0
+  facet normal -0.984808 -0.173646 0
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+  facet normal -0.984808 -0.173646 0
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       vertex -43.8746 -17.6126 0
@@ -6663,14 +6663,14 @@ solid OpenSCAD_Model
       vertex -43.8746 31 20.1126
     endloop
   endfacet
-  facet normal -0.984807 -4.17415e-007 0.173654
+  facet normal -0.984808 0 0.173646
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+  facet normal -0.984808 0 0.173646
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       vertex -43.8746 40 20.1126
@@ -8238,7 +8238,7 @@ solid OpenSCAD_Model
       vertex -4.88739 31 23.8746
     endloop
   endfacet
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+  facet normal -0.866025 -0 -0.5
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       vertex -5.375 35 17.594
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       vertex -5.37828 -21.4612 4
     endloop
   endfacet
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+  facet normal 0.17365 0 0.984807
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       vertex -4.88739 31 23.8746
@@ -8490,14 +8490,14 @@ solid OpenSCAD_Model
       vertex -5.87535 -21.4984 4
     endloop
   endfacet
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+  facet normal 0.0747275 0 0.997204
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       vertex -5.37828 31 23.9612
       vertex -5.87535 40 23.9984
     endloop
   endfacet
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+  facet normal 0.0747275 0 0.997204
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       vertex -5.37828 31 23.9612
@@ -10716,14 +10716,14 @@ solid OpenSCAD_Model
       vertex -6.005 31 23.9952
     endloop
   endfacet
-  facet normal 0 -4.76837e-007 -1
+  facet normal 0 0 -1
     outer loop
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       vertex -5.375 35 17.594
       vertex -5.375 31 17.594
     endloop
   endfacet
-  facet normal -0 -4.76837e-007 -1
+  facet normal -0 0 -1
     outer loop
       vertex -9.525 31 17.594
       vertex -9.525 35 17.594
@@ -10929,14 +10929,35 @@ solid OpenSCAD_Model
   facet normal 0 0 -1
     outer loop
       vertex 1 -16.495 0
-      vertex 5.2599 -14.662 0
-      vertex 1.00622 -16.495 0
+      vertex 11.2002 -0.790155 0
+      vertex 6.57023 -13.6171 0
     endloop
   endfacet
   facet normal -0 0 -1
+    outer loop
+      vertex 1 -16.495 0
+      vertex 11.2002 0.790155 0
+      vertex 11.2002 -0.790155 0
+    endloop
+  endfacet
+  facet normal 0 0 -1
+    outer loop
+      vertex 1 -16.495 0
+      vertex 5.2599 -14.662 0
+      vertex 1.00622 -16.495 0
+    endloop
+  endfacet
+  facet normal 0 -0 -1
     outer loop
       vertex 1 -16.495 0
       vertex 5.2599 14.662 0
+      vertex 11.2002 0.790155 0
+    endloop
+  endfacet
+  facet normal -0 0 -1
+    outer loop
+      vertex 1 -16.495 0
+      vertex 6.57023 -13.6171 0
       vertex 5.2599 -14.662 0
     endloop
   endfacet
@@ -10950,10 +10971,24 @@ solid OpenSCAD_Model
   facet normal 0 0 1
     outer loop
       vertex 1 -16.495 4
-      vertex 5.2599 -14.662 4
+      vertex 11.2002 -0.790155 4
+      vertex 11.2002 0.790155 4
+    endloop
+  endfacet
+  facet normal 0 0 1
+    outer loop
+      vertex 1 -16.495 4
+      vertex 11.2002 0.790155 4
       vertex 5.2599 14.662 4
     endloop
   endfacet
+  facet normal 0 0 1
+    outer loop
+      vertex 1 -16.495 4
+      vertex 5.2599 -14.662 4
+      vertex 6.57023 -13.6171 4
+    endloop
+  endfacet
   facet normal 0 0 1
     outer loop
       vertex 1 -16.495 4
@@ -10961,6 +10996,13 @@ solid OpenSCAD_Model
       vertex 1 31 4
     endloop
   endfacet
+  facet normal 0 0 1
+    outer loop
+      vertex 1 -16.495 4
+      vertex 6.57023 -13.6171 4
+      vertex 11.2002 -0.790155 4
+    endloop
+  endfacet
   facet normal 0 0 1
     outer loop
       vertex 1 31 18.995
@@ -11221,12 +11263,96 @@ solid OpenSCAD_Model
     endloop
   endfacet
   facet normal 0 0 -1
+    outer loop
+      vertex 1.00622 -16.495 0
+      vertex 1.15461 -17.7338 0
+      vertex 1.05585 -17.2452 0
+    endloop
+  endfacet
+  facet normal 0 0 -1
+    outer loop
+      vertex 1.00622 -16.495 0
+      vertex 1.30154 -18.2101 0
+      vertex 1.15461 -17.7338 0
+    endloop
+  endfacet
+  facet normal 0 0 -1
+    outer loop
+      vertex 1.00622 -16.495 0
+      vertex 1.49516 -18.6694 0
+      vertex 1.30154 -18.2101 0
+    endloop
+  endfacet
+  facet normal 0 0 -1
+    outer loop
+      vertex 1.00622 -16.495 0
+      vertex 1.73355 -19.1072 0
+      vertex 1.49516 -18.6694 0
+    endloop
+  endfacet
+  facet normal 0 0 -1
+    outer loop
+      vertex 1.00622 -16.495 0
+      vertex 2.01434 -19.519 0
+      vertex 1.73355 -19.1072 0
+    endloop
+  endfacet
+  facet normal 0 0 -1
+    outer loop
+      vertex 1.00622 -16.495 0
+      vertex 2.33474 -19.9009 0
+      vertex 2.01434 -19.519 0
+    endloop
+  endfacet
+  facet normal 0 0 -1
+    outer loop
+      vertex 1.00622 -16.495 0
+      vertex 2.69157 -20.2489 0
+      vertex 2.33474 -19.9009 0
+    endloop
+  endfacet
+  facet normal 0 0 -1
+    outer loop
+      vertex 1.00622 -16.495 0
+      vertex 3.08128 -20.5597 0
+      vertex 2.69157 -20.2489 0
+    endloop
+  endfacet
+  facet normal 0 0 -1
+    outer loop
+      vertex 1.00622 -16.495 0
+      vertex 3.5 -20.8301 0
+      vertex 3.08128 -20.5597 0
+    endloop
+  endfacet
+  facet normal 0 0 -1
+    outer loop
+      vertex 1.00622 -16.495 0
+      vertex 3.94356 -21.0575 0
+      vertex 3.5 -20.8301 0
+    endloop
+  endfacet
+  facet normal 0 0 -1
+    outer loop
+      vertex 1.00622 -16.495 0
+      vertex 4.40757 -21.2396 0
+      vertex 3.94356 -21.0575 0
+    endloop
+  endfacet
+  facet normal -0 0 -1
     outer loop
       vertex 1.00622 -16.495 0
       vertex 5.2599 -14.662 0
       vertex 5.2599 -16.338 0
     endloop
   endfacet
+  facet normal 0 0 -1
+    outer loop
+      vertex 1.00622 -16.495 0
+      vertex 5.2599 -16.338 0
+      vertex 4.40757 -21.2396 0
+    endloop
+  endfacet
   facet normal 0 0 1
     outer loop
       vertex 1.00622 -16.495 4
@@ -11238,7 +11364,7 @@ solid OpenSCAD_Model
     outer loop
       vertex 1.00622 -16.7492 0
       vertex 1.00622 -16.495 0
-      vertex 5.2599 -16.338 0
+      vertex 1.05585 -17.2452 0
     endloop
   endfacet
   facet normal -1 0 0
@@ -11262,13 +11388,6 @@ solid OpenSCAD_Model
       vertex 1.00622 -16.7492 4
     endloop
   endfacet
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-    outer loop
-      vertex 1.00622 -16.7492 0
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-    endloop
-  endfacet
   facet normal -0.995031 -0.099567 0
     outer loop
       vertex 1.00622 -16.7492 4
@@ -11318,7 +11437,7 @@ solid OpenSCAD_Model
       vertex 1.00622 31 19.2492
     endloop
   endfacet
-  facet normal -0.995031 -2.11011e-008 0.0995674
+  facet normal -0.995031 0 0.099567
     outer loop
       vertex 1.00622 31 19.2492
       vertex 1.05585 31 19.7452
@@ -11521,13 +11640,6 @@ solid OpenSCAD_Model
       vertex 1.05585 -17.2452 4
     endloop
   endfacet
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-  endfacet
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     outer loop
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       vertex 1.15461 40 20.2338
     endloop
   endfacet
-  facet normal -0.980172 -4.19929e-008 0.198147
+  facet normal -0.980172 0 0.198147
     outer loop
       vertex 1.05585 31 19.7452
       vertex 1.15461 40 20.2338
@@ -11570,13 +11682,6 @@ solid OpenSCAD_Model
       vertex 1.15461 -17.7338 4
     endloop
   endfacet
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     outer loop
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@@ -11591,7 +11696,7 @@ solid OpenSCAD_Model
       vertex 5.2599 -16.338 4
     endloop
   endfacet
-  facet normal -0.955573 -6.24668e-008 0.294755
+  facet normal -0.955573 0 0.294754
     outer loop
       vertex 1.15461 31 20.2338
       vertex 1.30154 31 20.7101
@@ -11619,13 +11724,6 @@ solid OpenSCAD_Model
       vertex 1.30154 -18.2101 4
     endloop
   endfacet
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-    outer loop
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     outer loop
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@@ -11640,14 +11738,14 @@ solid OpenSCAD_Model
       vertex 5.2599 -16.338 4
     endloop
   endfacet
-  facet normal -0.921476 0 0.388435
+  facet normal -0.921476 0 0.388436
     outer loop
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       vertex 1.49516 31 21.1694
       vertex 1.49516 40 21.1694
     endloop
   endfacet
-  facet normal -0.921476 -8.23203e-008 0.388436
+  facet normal -0.921476 0 0.388436
     outer loop
       vertex 1.30154 31 20.7101
       vertex 1.49516 40 21.1694
@@ -11668,13 +11766,6 @@ solid OpenSCAD_Model
       vertex 1.49516 -18.6694 4
     endloop
   endfacet
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-    outer loop
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-  endfacet
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     outer loop
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@@ -11717,13 +11808,6 @@ solid OpenSCAD_Model
       vertex 1.73355 -19.1072 4
     endloop
   endfacet
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-    outer loop
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     outer loop
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@@ -11864,7 +11948,7 @@ solid OpenSCAD_Model
       vertex 12.4985 5.31787 4
     endloop
   endfacet
-  facet normal -1 -4.82139e-008 4.77317e-008
+  facet normal -1 0 0
     outer loop
       vertex 12 11.2199 4
       vertex 12 31 23.9799
@@ -11906,7 +11990,7 @@ solid OpenSCAD_Model
       vertex 16 23.99 16.8991
     endloop
   endfacet
-  facet normal 2.32863e-007 -0.710651 0.703544
+  facet normal 2.49808e-007 -0.710651 0.703544
     outer loop
       vertex 12 11.2199 4
       vertex 16 23.99 16.8991
@@ -12130,14 +12214,7 @@ solid OpenSCAD_Model
       vertex 18.5 21.49 4
     endloop
   endfacet
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-    outer loop
-      vertex 16 23.99 0
-      vertex 16 23.99 16.8991
-      vertex 16 23.99 4
-    endloop
-  endfacet
-  facet normal 0.995182 0.0980462 9.35042e-008
+  facet normal 0.995182 0.0980455 0
     outer loop
       vertex 16 23.99 0
       vertex 16 23.99 4
@@ -12148,7 +12225,7 @@ solid OpenSCAD_Model
     outer loop
       vertex 16 23.99 0
       vertex 16 32.49 0
-      vertex 16 23.99 16.8991
+      vertex 16 23.99 4
     endloop
   endfacet
   facet normal 0.995182 0.0980455 0
@@ -12172,6 +12249,13 @@ solid OpenSCAD_Model
       vertex 16 31 23.9799
     endloop
   endfacet
+  facet normal 1 -0 0
+    outer loop
+      vertex 16 23.99 4
+      vertex 16 32.49 0
+      vertex 16 23.99 16.8991
+    endloop
+  endfacet
   facet normal 1 0 0
     outer loop
       vertex 16 31 23.9799
@@ -12585,13 +12669,6 @@ solid OpenSCAD_Model
       vertex 2.01434 -19.519 4
     endloop
   endfacet
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     outer loop
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@@ -12641,13 +12718,6 @@ solid OpenSCAD_Model
       vertex 2.33474 -19.9009 4
     endloop
   endfacet
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   facet normal 0 0 1
     outer loop
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@@ -12690,13 +12760,6 @@ solid OpenSCAD_Model
       vertex 2.69157 -20.2489 4
     endloop
   endfacet
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-  endfacet
   facet normal 0 0 1
     outer loop
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@@ -13663,28 +13726,21 @@ solid OpenSCAD_Model
       vertex 3.08128 -20.5597 4
     endloop
   endfacet
-  facet normal -0 0 -1
+  facet normal 0 0 1
     outer loop
-      vertex 3.08128 -20.5597 0
-      vertex 5.2599 -16.338 0
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-  endfacet
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-    outer loop
-      vertex 3.08128 -20.5597 0
-      vertex 6.57023 -17.3829 0
-      vertex 3.5 -20.8301 0
+      vertex 3.08128 -20.5597 4
+      vertex 3.5 -20.8301 4
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     endloop
   endfacet
   facet normal 0 0 1
     outer loop
       vertex 3.08128 -20.5597 4
-      vertex 3.5 -20.8301 4
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     endloop
   endfacet
-  facet normal -0.542547 0 0.840026
+  facet normal -0.542549 0 0.840024
     outer loop
       vertex 3.08128 31 23.0597
       vertex 3.5 31 23.3301
@@ -13698,7 +13754,7 @@ solid OpenSCAD_Model
       vertex 3.5 31 23.3301
     endloop
   endfacet
-  facet normal -0.542549 -1.78024e-007 0.840024
+  facet normal -0.542549 0 0.840024
     outer loop
       vertex 3.08128 40 23.0597
       vertex 3.5 31 23.3301
@@ -13761,7 +13817,7 @@ solid OpenSCAD_Model
       vertex 5.47924 35 12.8142
     endloop
   endfacet
-  facet normal 0.866025 -2.38419e-007 -0.5
+  facet normal 0.866025 0 -0.5
     outer loop
       vertex 3.3 35 14
       vertex 5.375 35 17.594
@@ -13796,21 +13852,14 @@ solid OpenSCAD_Model
       vertex 3.5 -20.8301 4
     endloop
   endfacet
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-  endfacet
   facet normal 0 0 1
     outer loop
       vertex 3.5 -20.8301 4
       vertex 3.94356 -21.0575 4
-      vertex 5.2599 -16.338 4
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   endfacet
-  facet normal -0.45621 -1.88589e-007 0.889872
+  facet normal -0.45621 0 0.889872
     outer loop
       vertex 3.5 31 23.3301
       vertex 3.94356 31 23.5575
@@ -13824,7 +13873,7 @@ solid OpenSCAD_Model
       vertex 3.94356 31 23.5575
     endloop
   endfacet
-  facet normal -0.45621 -1.88589e-007 0.889872
+  facet normal -0.45621 0 0.889872
     outer loop
       vertex 3.5 40 23.3301
       vertex 3.94356 31 23.5575
@@ -13845,21 +13894,14 @@ solid OpenSCAD_Model
       vertex 3.94356 -21.0575 4
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   endfacet
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-  endfacet
   facet normal 0 0 1
     outer loop
       vertex 3.94356 -21.0575 4
       vertex 4.40757 -21.2396 4
-      vertex 5.2599 -16.338 4
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   endfacet
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+  facet normal -0.365339 0 0.930875
     outer loop
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       vertex 4.40757 31 23.7396
@@ -13947,7 +13989,7 @@ solid OpenSCAD_Model
     outer loop
       vertex 31.1773 -7.28108 0
       vertex 32.1061 -6.00258 0
-      vertex 36.2599 -14.662 0
+      vertex 37.5702 -13.6171 0
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   facet normal -0.809018 0.587785 0
@@ -13957,6 +13999,13 @@ solid OpenSCAD_Model
       vertex 32.1061 -6.00258 0
     endloop
   endfacet
+  facet normal 0 0 -1
+    outer loop
+      vertex 31.1773 -7.28108 0
+      vertex 37.5702 -13.6171 0
+      vertex 36.2599 -14.662 0
+    endloop
+  endfacet
   facet normal -0 0 1
     outer loop
       vertex 31.1773 -7.28108 4
@@ -13971,10 +14020,17 @@ solid OpenSCAD_Model
       vertex 31.1773 7.28108 4
     endloop
   endfacet
-  facet normal 0 0 -1
+  facet normal -0 0 -1
     outer loop
       vertex 31.1773 7.28108 0
       vertex 36.2599 14.662 0
+      vertex 37.5702 13.6171 0
+    endloop
+  endfacet
+  facet normal 0 0 -1
+    outer loop
+      vertex 31.1773 7.28108 0
+      vertex 37.5702 13.6171 0
       vertex 32.1061 6.00258 0
     endloop
   endfacet
@@ -14003,7 +14059,7 @@ solid OpenSCAD_Model
     outer loop
       vertex 32.1061 -6.00258 0
       vertex 32.848 -4.60725 0
-      vertex 36.2599 -14.662 0
+      vertex 37.5702 -13.6171 0
     endloop
   endfacet
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@@ -14030,7 +14086,7 @@ solid OpenSCAD_Model
   facet normal 0 0 -1
     outer loop
       vertex 32.1061 6.00258 0
-      vertex 36.2599 14.662 0
+      vertex 37.5702 13.6171 0
       vertex 32.848 4.60725 0
     endloop
   endfacet
@@ -14055,11 +14111,11 @@ solid OpenSCAD_Model
       vertex 33.3885 -3.12224 4
     endloop
   endfacet
-  facet normal 0 0 -1
+  facet normal 0 -0 -1
     outer loop
       vertex 32.848 -4.60725 0
       vertex 33.3885 -3.12224 0
-      vertex 36.2599 -14.662 0
+      vertex 40.5454 -2.95455 0
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   endfacet
   facet normal -0.939693 0.342019 0
@@ -14069,6 +14125,13 @@ solid OpenSCAD_Model
       vertex 33.3885 -3.12224 0
     endloop
   endfacet
+  facet normal 0 0 -1
+    outer loop
+      vertex 32.848 -4.60725 0
+      vertex 40.5454 -2.95455 0
+      vertex 37.5702 -13.6171 0
+    endloop
+  endfacet
   facet normal -0 0 1
     outer loop
       vertex 32.848 -4.60725 4
@@ -14086,7 +14149,14 @@ solid OpenSCAD_Model
   facet normal 0 0 -1
     outer loop
       vertex 32.848 4.60725 0
-      vertex 36.2599 14.662 0
+      vertex 37.5702 13.6171 0
+      vertex 40.5454 2.95455 0
+    endloop
+  endfacet
+  facet normal 0 0 -1
+    outer loop
+      vertex 32.848 4.60725 0
+      vertex 40.5454 2.95455 0
       vertex 33.3885 3.12224 0
     endloop
   endfacet
@@ -14202,11 +14272,11 @@ solid OpenSCAD_Model
       vertex 33.7171 -1.57646 4
     endloop
   endfacet
-  facet normal 0 0 -1
+  facet normal 0 -0 -1
     outer loop
       vertex 33.3885 -3.12224 0
       vertex 33.7171 -1.57646 0
-      vertex 36.2599 -14.662 0
+      vertex 39.6397 -1.59899 0
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   endfacet
   facet normal -0.978148 0.207911 0
@@ -14216,6 +14286,13 @@ solid OpenSCAD_Model
       vertex 33.7171 -1.57646 0
     endloop
   endfacet
+  facet normal -0 0 -1
+    outer loop
+      vertex 33.3885 -3.12224 0
+      vertex 39.6397 -1.59899 0
+      vertex 40.5454 -2.95455 0
+    endloop
+  endfacet
   facet normal -0 0 1
     outer loop
       vertex 33.3885 -3.12224 4
@@ -14230,11 +14307,18 @@ solid OpenSCAD_Model
       vertex 33.3885 3.12224 4
     endloop
   endfacet
+  facet normal -0 0 -1
+    outer loop
+      vertex 33.3885 3.12224 0
+      vertex 39.6397 1.59899 0
+      vertex 33.7171 1.57646 0
+    endloop
+  endfacet
   facet normal 0 0 -1
     outer loop
       vertex 33.3885 3.12224 0
-      vertex 36.2599 14.662 0
-      vertex 33.7171 1.57646 0
+      vertex 40.5454 2.95455 0
+      vertex 39.6397 1.59899 0
     endloop
   endfacet
   facet normal -0.978148 -0.207911 0
@@ -14307,7 +14391,7 @@ solid OpenSCAD_Model
       vertex 35.5792 35 12.8142
     endloop
   endfacet
-  facet normal 0.866026 -2.38418e-007 -0.5
+  facet normal 0.866026 0 -0.499999
     outer loop
       vertex 33.4 35 14
       vertex 35.475 35 17.594
@@ -14335,11 +14419,11 @@ solid OpenSCAD_Model
       vertex 33.8273 0 4
     endloop
   endfacet
-  facet normal 0 0 -1
+  facet normal -0 0 -1
     outer loop
       vertex 33.7171 -1.57646 0
       vertex 33.8273 0 0
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+      vertex 39.3216 0 0
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   facet normal -0.997564 0.0697566 0
@@ -14349,6 +14433,13 @@ solid OpenSCAD_Model
       vertex 33.8273 0 0
     endloop
   endfacet
+  facet normal 0 0 -1
+    outer loop
+      vertex 33.7171 -1.57646 0
+      vertex 39.3216 0 0
+      vertex 39.6397 -1.59899 0
+    endloop
+  endfacet
   facet normal -0 0 1
     outer loop
       vertex 33.7171 -1.57646 4
@@ -14366,10 +14457,17 @@ solid OpenSCAD_Model
   facet normal 0 0 -1
     outer loop
       vertex 33.7171 1.57646 0
-      vertex 36.2599 14.662 0
+      vertex 39.3216 0 0
       vertex 33.8273 0 0
     endloop
   endfacet
+  facet normal 0 0 -1
+    outer loop
+      vertex 33.7171 1.57646 0
+      vertex 39.6397 1.59899 0
+      vertex 39.3216 0 0
+    endloop
+  endfacet
   facet normal -0.997564 -0.0697566 0
     outer loop
       vertex 33.7171 1.57646 4
@@ -14384,13 +14482,6 @@ solid OpenSCAD_Model
       vertex 36.2599 14.662 4
     endloop
   endfacet
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-    outer loop
-      vertex 33.8273 0 0
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-      vertex 36.2599 -14.662 0
-    endloop
-  endfacet
   facet normal 0 0 1
     outer loop
       vertex 33.8273 0 4
@@ -14475,7 +14566,7 @@ solid OpenSCAD_Model
       vertex 35.475 35 10.406
     endloop
   endfacet
-  facet normal -0 -4.76837e-007 -1
+  facet normal -0 0 -1
     outer loop
       vertex 35.475 31 17.594
       vertex 35.475 35 17.594
@@ -14489,7 +14580,7 @@ solid OpenSCAD_Model
       vertex 38.995 31 23.9938
     endloop
   endfacet
-  facet normal 0 -4.76837e-007 -1
+  facet normal 0 0 -1
     outer loop
       vertex 35.475 31 17.594
       vertex 39.625 35 17.594
@@ -14692,13 +14783,6 @@ solid OpenSCAD_Model
       vertex 44 40 0
     endloop
   endfacet
-  facet normal 0 0 -1
-    outer loop
-      vertex 36.2599 -14.662 0
-      vertex 36.2599 14.662 0
-      vertex 39.3216 0 0
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   facet normal 0.62349 -0.781832 0
     outer loop
       vertex 36.2599 -14.662 0
@@ -14713,20 +14797,6 @@ solid OpenSCAD_Model
       vertex 36.2599 -14.662 4
     endloop
   endfacet
-  facet normal -0 0 -1
-    outer loop
-      vertex 36.2599 -14.662 0
-      vertex 39.3216 0 0
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-  endfacet
   facet normal 0 0 1
     outer loop
       vertex 36.2599 -14.662 4
@@ -14867,20 +14937,6 @@ solid OpenSCAD_Model
       vertex 36.2599 14.662 4
     endloop
   endfacet
-  facet normal 0 0 -1
-    outer loop
-      vertex 36.2599 14.662 0
-      vertex 37.5702 13.6171 0
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-      vertex 39.3216 0 0
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-  endfacet
   facet normal 1 -0 0
     outer loop
       vertex 36.2599 14.662 4
@@ -15364,13 +15420,6 @@ solid OpenSCAD_Model
       vertex 37.5702 -13.6171 4
     endloop
   endfacet
-  facet normal -0 0 -1
-    outer loop
-      vertex 37.5702 -13.6171 0
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-  endfacet
   facet normal -0 0 -1
     outer loop
       vertex 37.5702 -13.6171 0
@@ -15462,13 +15511,6 @@ solid OpenSCAD_Model
       vertex 40.5454 2.95455 0
     endloop
   endfacet
-  facet normal 0 0 -1
-    outer loop
-      vertex 37.5702 13.6171 0
-      vertex 40.5454 2.95455 0
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-  endfacet
   facet normal 0 0 1
     outer loop
       vertex 37.5702 13.6171 4
@@ -15826,21 +15868,21 @@ solid OpenSCAD_Model
       vertex 39.2042 -17.01 4
     endloop
   endfacet
-  facet normal 1 -0.000613685 0
+  facet normal 1 0 0
     outer loop
       vertex 38.995 -21.5 0
       vertex 38.995 -21.4938 0
       vertex 38.995 -21.5 4
     endloop
   endfacet
-  facet normal 1 -0.000613685 0
+  facet normal 1 -0 0
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       vertex 38.995 -21.5 4
       vertex 38.995 -21.4938 0
       vertex 38.995 -21.4938 4
     endloop
   endfacet
-  facet normal 1 -4.23855e-007 0
+  facet normal 1 0 0
     outer loop
       vertex 38.995 31 23.9938
       vertex 38.995 40 23.9938
@@ -15861,7 +15903,7 @@ solid OpenSCAD_Model
       vertex 39.2492 31 23.9938
     endloop
   endfacet
-  facet normal 1 -4.23855e-007 0
+  facet normal 1 -0 0
     outer loop
       vertex 38.995 31 24
       vertex 38.995 40 23.9938
@@ -16470,7 +16512,7 @@ solid OpenSCAD_Model
       vertex 41.7 31 14
     endloop
   endfacet
-  facet normal -0.866025 -2.38419e-007 -0.5
+  facet normal -0.866025 -0 -0.5
     outer loop
       vertex 39.625 31 17.594
       vertex 39.625 35 17.594
@@ -16701,28 +16743,28 @@ solid OpenSCAD_Model
       vertex 40.5454 2.95455 10.01
     endloop
   endfacet
-  facet normal 0.198147 -0.980172 0
+  facet normal 0.198144 -0.980173 0
     outer loop
       vertex 39.7452 -21.4442 0
       vertex 40.2338 -21.3454 0
       vertex 40.2338 -21.3454 4
     endloop
   endfacet
-  facet normal 0.198147 -0.980172 0
+  facet normal 0.198144 -0.980173 0
     outer loop
       vertex 39.7452 -21.4442 0
       vertex 40.2338 -21.3454 4
       vertex 39.7452 -21.4442 4
     endloop
   endfacet
-  facet normal 0.198147 0 0.980172
+  facet normal 0.198144 0 0.980173
     outer loop
       vertex 39.7452 31 23.9442
       vertex 40.2338 31 23.8454
       vertex 39.7452 40 23.9442
     endloop
   endfacet
-  facet normal 0.198147 0 0.980172
+  facet normal 0.198144 0 0.980173
     outer loop
       vertex 39.7452 40 23.9442
       vertex 40.2338 31 23.8454
@@ -16995,6 +17037,13 @@ solid OpenSCAD_Model
       vertex 4.40757 -21.2396 4
     endloop
   endfacet
+  facet normal -0 0 -1
+    outer loop
+      vertex 4.40757 -21.2396 0
+      vertex 5.2599 -16.338 0
+      vertex 6.57023 -17.3829 0
+    endloop
+  endfacet
   facet normal 0 0 -1
     outer loop
       vertex 4.40757 -21.2396 0
@@ -17006,7 +17055,7 @@ solid OpenSCAD_Model
     outer loop
       vertex 4.40757 -21.2396 4
       vertex 4.88739 -21.3746 4
-      vertex 5.2599 -16.338 4
+      vertex 6.57023 -17.3829 4
     endloop
   endfacet
   facet normal -0.270843 0 0.962624
@@ -17058,13 +17107,6 @@ solid OpenSCAD_Model
       vertex 6.57023 -17.3829 4
     endloop
   endfacet
-  facet normal 0 0 1
-    outer loop
-      vertex 4.88739 -21.3746 4
-      vertex 6.57023 -17.3829 4
-      vertex 5.2599 -16.338 4
-    endloop
-  endfacet
   facet normal 0 -1 0
     outer loop
       vertex 4.88739 31 23.8746
@@ -17072,14 +17114,14 @@ solid OpenSCAD_Model
       vertex 5.37828 31 23.9612
     endloop
   endfacet
-  facet normal -0.173646 0 0.984808
+  facet normal -0.17365 0 0.984807
     outer loop
       vertex 4.88739 31 23.8746
       vertex 5.37828 31 23.9612
       vertex 4.88739 40 23.8746
     endloop
   endfacet
-  facet normal -0.17365 -2.08708e-007 0.984807
+  facet normal -0.17365 0 0.984807
     outer loop
       vertex 4.88739 40 23.8746
       vertex 5.37828 31 23.9612
@@ -17310,14 +17352,14 @@ solid OpenSCAD_Model
       vertex 41.6883 6.76148 4
     endloop
   endfacet
-  facet normal 0.478252 -0.878222 0
+  facet normal 0.478255 -0.878221 0
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       vertex 41.1694 -21.0048 0
       vertex 41.6072 -20.7665 0
       vertex 41.6072 -20.7665 4
     endloop
   endfacet
-  facet normal 0.478252 -0.878222 0
+  facet normal 0.478255 -0.878221 0
     outer loop
       vertex 41.1694 -21.0048 0
       vertex 41.6072 -20.7665 4
@@ -17331,7 +17373,7 @@ solid OpenSCAD_Model
       vertex 41.1694 40 23.5048
     endloop
   endfacet
-  facet normal 0.478252 -2.0271e-007 0.878222
+  facet normal 0.478255 0 0.878221
     outer loop
       vertex 41.1694 40 23.5048
       vertex 41.6072 31 23.2665
@@ -17359,7 +17401,7 @@ solid OpenSCAD_Model
       vertex 41.6072 -20.7665 4
     endloop
   endfacet
-  facet normal 0.563318 -2.38765e-007 0.82624
+  facet normal 0.563321 0 0.826238
     outer loop
       vertex 41.6072 31 23.2665
       vertex 42.019 31 22.9857
@@ -17555,28 +17597,28 @@ solid OpenSCAD_Model
       vertex 42.8899 6.97336 4
     endloop
   endfacet
-  facet normal 0.715868 -0.698236 0
+  facet normal 0.715866 -0.698237 0
     outer loop
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       vertex 42.7489 -19.8084 0
       vertex 42.4009 -20.1653 4
     endloop
   endfacet
-  facet normal 0.715868 -0.698236 0
+  facet normal 0.715866 -0.698237 0
     outer loop
       vertex 42.4009 -20.1653 4
       vertex 42.7489 -19.8084 0
       vertex 42.7489 -19.8084 4
     endloop
   endfacet
-  facet normal 0.715868 0 0.698236
+  facet normal 0.715866 0 0.698237
     outer loop
       vertex 42.4009 31 22.6653
       vertex 42.7489 31 22.3084
       vertex 42.7489 40 22.3084
     endloop
   endfacet
-  facet normal 0.715868 -0 0.698236
+  facet normal 0.715866 -0 0.698237
     outer loop
       vertex 42.4009 31 22.6653
       vertex 42.7489 40 22.3084
@@ -17590,28 +17632,28 @@ solid OpenSCAD_Model
       vertex 43.9952 40 18.995
     endloop
   endfacet
-  facet normal 0.781831 -0.62349 0
+  facet normal 0.781833 -0.623488 0
     outer loop
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       vertex 43.0597 -19.4187 0
       vertex 42.7489 -19.8084 4
     endloop
   endfacet
-  facet normal 0.781831 -0.62349 0
+  facet normal 0.781833 -0.623488 0
     outer loop
       vertex 42.7489 -19.8084 4
       vertex 43.0597 -19.4187 0
       vertex 43.0597 -19.4187 4
     endloop
   endfacet
-  facet normal 0.781831 0 0.62349
+  facet normal 0.781833 0 0.623488
     outer loop
       vertex 42.7489 31 22.3084
       vertex 43.0597 31 21.9187
       vertex 43.0597 40 21.9187
     endloop
   endfacet
-  facet normal 0.781831 -0 0.62349
+  facet normal 0.781833 -0 0.623488
     outer loop
       vertex 42.7489 31 22.3084
       vertex 43.0597 40 21.9187
@@ -18031,28 +18073,28 @@ solid OpenSCAD_Model
       vertex 43.9952 40 18.995
     endloop
   endfacet
-  facet normal 0.962623 -0.270846 0
+  facet normal 0.962623 -0.270847 0
     outer loop
       vertex 43.7396 -18.0924 0
       vertex 43.8746 -17.6126 0
       vertex 43.7396 -18.0924 4
     endloop
   endfacet
-  facet normal 0.962623 -0.270846 0
+  facet normal 0.962623 -0.270847 0
     outer loop
       vertex 43.7396 -18.0924 4
       vertex 43.8746 -17.6126 0
       vertex 43.8746 -17.6126 4
     endloop
   endfacet
-  facet normal 0.962625 -4.08014e-007 0.270839
+  facet normal 0.962623 0 0.270847
     outer loop
       vertex 43.7396 31 20.5924
       vertex 43.8746 31 20.1126
       vertex 43.8746 40 20.1126
     endloop
   endfacet
-  facet normal 0.962623 -0 0.270846
+  facet normal 0.962623 -0 0.270847
     outer loop
       vertex 43.7396 31 20.5924
       vertex 43.8746 40 20.1126
@@ -18066,28 +18108,28 @@ solid OpenSCAD_Model
       vertex 43.9952 40 18.995
     endloop
   endfacet
-  facet normal 0.984808 -0.173647 0
+  facet normal 0.984808 -0.173646 0
     outer loop
       vertex 43.8746 -17.6126 0
       vertex 43.9612 -17.1217 0
       vertex 43.8746 -17.6126 4
     endloop
   endfacet
-  facet normal 0.984808 -0.173647 0
+  facet normal 0.984808 -0.173646 0
     outer loop
       vertex 43.8746 -17.6126 4
       vertex 43.9612 -17.1217 0
       vertex 43.9612 -17.1217 4
     endloop
   endfacet
-  facet normal 0.984807 0 0.173654
+  facet normal 0.984808 0 0.173646
     outer loop
       vertex 43.8746 31 20.1126
       vertex 43.9612 31 19.6217
       vertex 43.9612 40 19.6217
     endloop
   endfacet
-  facet normal 0.984808 -4.17416e-007 0.173647
+  facet normal 0.984808 -0 0.173646
     outer loop
       vertex 43.8746 31 20.1126
       vertex 43.9612 40 19.6217
@@ -19095,27 +19137,6 @@ solid OpenSCAD_Model
       vertex 5.2704 35 14.7344
     endloop
   endfacet
-  facet normal 0 0 -1
-    outer loop
-      vertex 5.2599 -14.662 0
-      vertex 11.2002 -0.790155 0
-      vertex 6.57023 -13.6171 0
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-  endfacet
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-      vertex 5.2599 -14.662 0
-      vertex 11.2002 0.790155 0
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-  endfacet
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-      vertex 11.2002 0.790155 0
-    endloop
-  endfacet
   facet normal 0.62349 -0.781831 0
     outer loop
       vertex 5.2599 -14.662 0
@@ -19130,20 +19151,6 @@ solid OpenSCAD_Model
       vertex 5.2599 -14.662 4
     endloop
   endfacet
-  facet normal 0 0 1
-    outer loop
-      vertex 5.2599 -14.662 4
-      vertex 11.2002 -0.790155 4
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-      vertex 11.2002 -0.790155 4
-    endloop
-  endfacet
   facet normal 1 0 0
     outer loop
       vertex 5.2599 -16.338 0
@@ -19193,13 +19200,6 @@ solid OpenSCAD_Model
       vertex 11.2002 0.790155 0
     endloop
   endfacet
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-    outer loop
-      vertex 5.2599 14.662 4
-      vertex 11.2002 -0.790155 4
-      vertex 11.2002 0.790155 4
-    endloop
-  endfacet
   facet normal 0 0 1
     outer loop
       vertex 5.2599 14.662 4
@@ -19277,7 +19277,7 @@ solid OpenSCAD_Model
       vertex 5.375 35 10.406
     endloop
   endfacet
-  facet normal -0 -4.76837e-007 -1
+  facet normal -0 0 -1
     outer loop
       vertex 5.375 31 17.594
       vertex 5.375 35 17.594
@@ -19298,7 +19298,7 @@ solid OpenSCAD_Model
       vertex 6.005 31 23.9952
     endloop
   endfacet
-  facet normal 0 -4.76837e-007 -1
+  facet normal 0 0 -1
     outer loop
       vertex 5.375 31 17.594
       vertex 9.525 35 17.594
@@ -19410,7 +19410,7 @@ solid OpenSCAD_Model
       vertex 6.57023 -17.3829 4
     endloop
   endfacet
-  facet normal -0.0747313 -2.11335e-007 0.997204
+  facet normal -0.0747275 0 0.997204
     outer loop
       vertex 5.37828 31 23.9612
       vertex 5.87535 31 23.9984
@@ -21608,7 +21608,7 @@ solid OpenSCAD_Model
       vertex 12 31 23.9799
     endloop
   endfacet
-  facet normal -0.866025 -2.38419e-007 -0.5
+  facet normal -0.866025 -0 -0.5
     outer loop
       vertex 9.525 31 17.594
       vertex 9.525 35 17.594
diff --git a/dibond/stls/rear_fixing_block.stl b/dibond/stls/rear_fixing_block.stl
index ab03c73..478a4ca 100644
--- a/dibond/stls/rear_fixing_block.stl
+++ b/dibond/stls/rear_fixing_block.stl
@@ -3,27 +3,27 @@ solid OpenSCAD_Model
     outer loop
       vertex -0.489546 5.05516 0
       vertex -0.489546 5.05516 5
-      vertex -4.88498e-016 5 0
+      vertex 0 5 0
     endloop
   endfacet
   facet normal 0.111965 0.993712 -0
     outer loop
       vertex -0.489546 5.05516 5
-      vertex -4.88498e-016 5 5
-      vertex -4.88498e-016 5 0
+      vertex 0 5 5
+      vertex 0 5 0
     endloop
   endfacet
   facet normal 0.111965 -0.993712 0
     outer loop
       vertex -0.489546 9.34484 0
-      vertex 4.88498e-016 9.4 0
-      vertex 4.88498e-016 9.4 5
+      vertex 0 9.4 0
+      vertex 0 9.4 5
     endloop
   endfacet
   facet normal 0.111965 -0.993712 0
     outer loop
       vertex -0.489546 9.34484 0
-      vertex 4.88498e-016 9.4 5
+      vertex 0 9.4 5
       vertex -0.489546 9.34484 5
     endloop
   endfacet
@@ -31,55 +31,55 @@ solid OpenSCAD_Model
     outer loop
       vertex -0.491283 11.8743 5
       vertex -0.489546 9.34484 5
-      vertex 4.88498e-016 9.4 5
+      vertex 0 9.4 5
     endloop
   endfacet
   facet normal 0.0523364 -0.99863 0
     outer loop
       vertex -0.491283 11.8743 5
-      vertex 1.04361e-015 11.9 5
-      vertex 1.04361e-015 11.9 7.51
+      vertex 0 11.9 5
+      vertex 0 11.9 7.51
     endloop
   endfacet
   facet normal 0.0523364 -0.99863 0
     outer loop
       vertex -0.491283 11.8743 5
-      vertex 1.04361e-015 11.9 7.51
+      vertex 0 11.9 7.51
       vertex -0.491283 11.8743 7.53575
     endloop
   endfacet
   facet normal -0 0 1
     outer loop
       vertex -0.491283 11.8743 5
-      vertex 4.88498e-016 9.4 5
-      vertex 1.04361e-015 11.9 5
+      vertex 0 9.4 5
+      vertex 0 11.9 5
     endloop
   endfacet
   facet normal 0.0523364 0.99863 -0
     outer loop
       vertex -0.491283 2.52575 14.3898
-      vertex -1.04361e-015 2.5 14.3898
-      vertex -1.04361e-015 2.5 5
+      vertex 0 2.5 14.3898
+      vertex 0 2.5 5
     endloop
   endfacet
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     outer loop
       vertex -0.491283 2.52575 5
       vertex -0.491283 2.52575 14.3898
-      vertex -1.04361e-015 2.5 5
+      vertex 0 2.5 5
     endloop
   endfacet
   facet normal 0 0 1
     outer loop
       vertex -0.491283 2.52575 5
-      vertex -1.04361e-015 2.5 5
-      vertex -4.88498e-016 5 5
+      vertex 0 2.5 5
+      vertex 0 5 5
     endloop
   endfacet
   facet normal 0 0 1
     outer loop
       vertex -0.491283 2.52575 5
-      vertex -4.88498e-016 5 5
+      vertex 0 5 5
       vertex -0.489546 5.05516 5
     endloop
   endfacet
@@ -153,34 +153,6 @@ solid OpenSCAD_Model
       vertex -0.491283 2.52575 5
     endloop
   endfacet
-  facet normal -0.0523364 0.99863 0
-    outer loop
-      vertex -1.04361e-015 2.5 14.3898
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-      vertex 0.491283 2.52575 5
-    endloop
-  endfacet
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-      vertex 15.5577 0 14.3898
-      vertex 0.491283 2.52575 14.3898
-    endloop
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-      vertex -1.04361e-015 2.5 14.3898
-      vertex 0.491283 2.52575 5
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   facet normal 0.532032 0.846724 0
     outer loop
       vertex -1.37168 5.47997 0
@@ -811,13 +783,6 @@ solid OpenSCAD_Model
       vertex -1.45238 2.73004 14.3898
     endloop
   endfacet
-  facet normal 0 0 1
-    outer loop
-      vertex -15.5577 0 14.3898
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-      vertex -0.491283 2.52575 14.3898
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@@ -902,11 +867,18 @@ solid OpenSCAD_Model
       vertex 15.5577 0 14.3898
     endloop
   endfacet
+  facet normal 0 0 1
+    outer loop
+      vertex -15.5577 0 14.3898
+      vertex 0 2.5 14.3898
+      vertex -0.491283 2.52575 14.3898
+    endloop
+  endfacet
   facet normal 0 0 1
     outer loop
       vertex -15.5577 0 14.3898
       vertex 15.5577 0 14.3898
-      vertex -1.04361e-015 2.5 14.3898
+      vertex 0 2.5 14.3898
     endloop
   endfacet
   facet normal 0 0 -1
@@ -975,15 +947,15 @@ solid OpenSCAD_Model
   facet normal 0 0 -1
     outer loop
       vertex -15.5577 14.3898 0
-      vertex 15.5577 14.3898 0
-      vertex 4.88498e-016 9.4 0
+      vertex 0 9.4 0
+      vertex -0.489546 9.34484 0
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   endfacet
   facet normal 0 0 -1
     outer loop
       vertex -15.5577 14.3898 0
-      vertex 4.88498e-016 9.4 0
-      vertex -0.489546 9.34484 0
+      vertex 15.5577 14.3898 0
+      vertex 0 9.4 0
     endloop
   endfacet
   facet normal 0 1 0
@@ -1361,7 +1333,7 @@ solid OpenSCAD_Model
     outer loop
       vertex -18.31 0 0
       vertex -0.489546 5.05516 0
-      vertex -4.88498e-016 5 0
+      vertex 0 5 0
     endloop
   endfacet
   facet normal 0 0 -1
@@ -1483,13 +1455,6 @@ solid OpenSCAD_Model
       vertex -1.98213 6.24546 0
     endloop
   endfacet
-  facet normal 0 0 -1
-    outer loop
-      vertex -18.31 0 0
-      vertex -4.88498e-016 5 0
-      vertex 18.31 0 0
-    endloop
-  endfacet
   facet normal 0 -1 0
     outer loop
       vertex -18.31 0 0
@@ -1497,6 +1462,13 @@ solid OpenSCAD_Model
       vertex -10.2379 0 4.9303
     endloop
   endfacet
+  facet normal 0 0 -1
+    outer loop
+      vertex -18.31 0 0
+      vertex 0 5 0
+      vertex 18.31 0 0
+    endloop
+  endfacet
   facet normal 0 -1 0
     outer loop
       vertex -18.31 0 0
@@ -2330,34 +2302,6 @@ solid OpenSCAD_Model
       vertex -4.67425 6.70872 5
     endloop
   endfacet
-  facet normal -0.111965 0.993712 0
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-      vertex -4.88498e-016 5 0
-      vertex -4.88498e-016 5 5
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-  endfacet
-  facet normal 0 0 -1
-    outer loop
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-      vertex 0.489546 5.05516 0
-      vertex 18.31 0 0
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-  endfacet
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-      vertex 0.491283 2.52575 5
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-  endfacet
   facet normal 0 0.707107 0.707107
     outer loop
       vertex -6.46 12.21 7.2
@@ -2411,7 +2355,7 @@ solid OpenSCAD_Model
     outer loop
       vertex -7.71848 14.3898 5.02025
       vertex -0.491283 11.8743 7.53575
-      vertex 1.04361e-015 11.9 7.51
+      vertex 0 11.9 7.51
     endloop
   endfacet
   facet normal 0 0.707107 0.707107
@@ -2445,7 +2389,7 @@ solid OpenSCAD_Model
   facet normal -0 0.707107 0.707107
     outer loop
       vertex -7.71848 14.3898 5.02025
-      vertex 1.04361e-015 11.9 7.51
+      vertex 0 11.9 7.51
       vertex 7.71848 14.3898 5.02025
     endloop
   endfacet
@@ -3002,6 +2946,118 @@ solid OpenSCAD_Model
       vertex -8.535 5 3.606
     endloop
   endfacet
+  facet normal -0.0523364 -0.99863 0
+    outer loop
+      vertex 0 11.9 5
+      vertex 0.491283 11.8743 5
+      vertex 0 11.9 7.51
+    endloop
+  endfacet
+  facet normal -0.0523364 -0.99863 0
+    outer loop
+      vertex 0 11.9 7.51
+      vertex 0.491283 11.8743 5
+      vertex 0.491283 11.8743 7.53575
+    endloop
+  endfacet
+  facet normal 0 0.707107 0.707107
+    outer loop
+      vertex 0 11.9 7.51
+      vertex 0.491283 11.8743 7.53575
+      vertex 7.71848 14.3898 5.02025
+    endloop
+  endfacet
+  facet normal -0.0523364 0.99863 0
+    outer loop
+      vertex 0 2.5 14.3898
+      vertex 0.491283 2.52575 14.3898
+      vertex 0.491283 2.52575 5
+    endloop
+  endfacet
+  facet normal -0 0 1
+    outer loop
+      vertex 0 2.5 14.3898
+      vertex 15.5577 0 14.3898
+      vertex 0.491283 2.52575 14.3898
+    endloop
+  endfacet
+  facet normal -0.0523364 0.99863 0
+    outer loop
+      vertex 0 2.5 5
+      vertex 0 2.5 14.3898
+      vertex 0.491283 2.52575 5
+    endloop
+  endfacet
+  facet normal 0 0 1
+    outer loop
+      vertex 0 2.5 5
+      vertex 0.491283 2.52575 5
+      vertex 0 5 5
+    endloop
+  endfacet
+  facet normal -0.111965 0.993712 0
+    outer loop
+      vertex 0 5 0
+      vertex 0 5 5
+      vertex 0.489546 5.05516 0
+    endloop
+  endfacet
+  facet normal 0 0 -1
+    outer loop
+      vertex 0 5 0
+      vertex 0.489546 5.05516 0
+      vertex 18.31 0 0
+    endloop
+  endfacet
+  facet normal -0.111965 0.993712 0
+    outer loop
+      vertex 0 5 5
+      vertex 0.489546 5.05516 5
+      vertex 0.489546 5.05516 0
+    endloop
+  endfacet
+  facet normal -0 0 1
+    outer loop
+      vertex 0 5 5
+      vertex 0.491283 2.52575 5
+      vertex 0.489546 5.05516 5
+    endloop
+  endfacet
+  facet normal -0.111965 -0.993712 -0
+    outer loop
+      vertex 0 9.4 0
+      vertex 0.489546 9.34484 0
+      vertex 0.489546 9.34484 5
+    endloop
+  endfacet
+  facet normal -0.111965 -0.993712 0
+    outer loop
+      vertex 0 9.4 0
+      vertex 0.489546 9.34484 5
+      vertex 0 9.4 5
+    endloop
+  endfacet
+  facet normal 0 0 -1
+    outer loop
+      vertex 0 9.4 0
+      vertex 15.5577 14.3898 0
+      vertex 0.489546 9.34484 0
+    endloop
+  endfacet
+  facet normal 0 0 1
+    outer loop
+      vertex 0 9.4 5
+      vertex 0.489546 9.34484 5
+      vertex 0.491283 11.8743 5
+    endloop
+  endfacet
+  facet normal 0 0 1
+    outer loop
+      vertex 0 9.4 5
+      vertex 0.491283 11.8743 5
+      vertex 0 11.9 5
+    endloop
+  endfacet
   facet normal -0.33028 0.943883 0
     outer loop
       vertex 0.489546 5.05516 0
@@ -3254,27 +3310,6 @@ solid OpenSCAD_Model
       vertex 1.45238 2.73004 5
     endloop
   endfacet
-  facet normal -0.0523364 -0.99863 0
-    outer loop
-      vertex 1.04361e-015 11.9 5
-      vertex 0.491283 11.8743 5
-      vertex 1.04361e-015 11.9 7.51
-    endloop
-  endfacet
-  facet normal -0.0523364 -0.99863 0
-    outer loop
-      vertex 1.04361e-015 11.9 7.51
-      vertex 0.491283 11.8743 5
-      vertex 0.491283 11.8743 7.53575
-    endloop
-  endfacet
-  facet normal 0 0.707107 0.707107
-    outer loop
-      vertex 1.04361e-015 11.9 7.51
-      vertex 0.491283 11.8743 7.53575
-      vertex 7.71848 14.3898 5.02025
-    endloop
-  endfacet
   facet normal -0.707107 0.707107 0
     outer loop
       vertex 1.37168 5.47997 0
@@ -5200,41 +5235,6 @@ solid OpenSCAD_Model
       vertex 4.67425 7.69128 11.7187
     endloop
   endfacet
-  facet normal -0.111965 -0.993712 -0
-    outer loop
-      vertex 4.88498e-016 9.4 0
-      vertex 0.489546 9.34484 0
-      vertex 0.489546 9.34484 5
-    endloop
-  endfacet
-  facet normal -0.111965 -0.993712 0
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-      vertex 4.88498e-016 9.4 0
-      vertex 0.489546 9.34484 5
-      vertex 4.88498e-016 9.4 5
-    endloop
-  endfacet
-  facet normal 0 0 -1
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-      vertex 4.88498e-016 9.4 0
-      vertex 15.5577 14.3898 0
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-  endfacet
-  facet normal 0 0 1
-    outer loop
-      vertex 4.88498e-016 9.4 5
-      vertex 0.489546 9.34484 5
-      vertex 0.491283 11.8743 5
-    endloop
-  endfacet
-  facet normal 0 0 1
-    outer loop
-      vertex 4.88498e-016 9.4 5
-      vertex 0.491283 11.8743 5
-      vertex 1.04361e-015 11.9 5
-    endloop
-  endfacet
   facet normal 0.866026 -3.92869e-007 0.5
     outer loop
       vertex 6.46 12.21 7.2
diff --git a/dibond/stls/ribbon_clamp_14_33NB.stl b/dibond/stls/ribbon_clamp_14_33NB.stl
index 3498210..493c981 100644
--- a/dibond/stls/ribbon_clamp_14_33NB.stl
+++ b/dibond/stls/ribbon_clamp_14_33NB.stl
@@ -1,4 +1,18 @@
 solid OpenSCAD_Model
+  facet normal 0.583743 -0.811938 0
+    outer loop
+      vertex -10.3267 -4.20097 0
+      vertex -9.92193 -3.90994 0
+      vertex -9.92193 -3.90994 1.90735e-007
+    endloop
+  endfacet
+  facet normal 0.583743 -0.811938 0
+    outer loop
+      vertex -10.3267 -4.20097 0
+      vertex -9.92193 -3.90994 1.90735e-007
+      vertex -10.3267 -4.20097 1.90735e-007
+    endloop
+  endfacet
   facet normal -0 0 -1
     outer loop
       vertex -10.3267 -4.20097 1.90735e-007
@@ -41,32 +55,18 @@ solid OpenSCAD_Model
       vertex 10.1207 -4.0605 3.2
     endloop
   endfacet
-  facet normal 0.583743 -0.811938 0
-    outer loop
-      vertex -10.3267 -4.20097 5.14453e-016
-      vertex -9.92193 -3.90994 1.90735e-007
-      vertex -10.3267 -4.20097 1.90735e-007
-    endloop
-  endfacet
-  facet normal 0.583743 -0.811938 0
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-      vertex -9.92193 -3.90994 4.78814e-016
-      vertex -9.92193 -3.90994 1.90735e-007
-    endloop
-  endfacet
   facet normal 0.583743 0.811938 0
     outer loop
-      vertex -10.3267 4.20097 -5.14453e-016
+      vertex -10.3267 4.20097 0
       vertex -10.3267 4.20097 1.90735e-007
-      vertex -9.92193 3.90994 -4.78814e-016
+      vertex -9.92193 3.90994 0
     endloop
   endfacet
   facet normal 0.583743 0.811938 -0
     outer loop
       vertex -10.3267 4.20097 1.90735e-007
       vertex -9.92193 3.90994 1.90735e-007
-      vertex -9.92193 3.90994 -4.78814e-016
+      vertex -9.92193 3.90994 0
     endloop
   endfacet
   facet normal 0 0 -1
@@ -111,6 +111,20 @@ solid OpenSCAD_Model
       vertex -9.92193 3.90994 3.2
     endloop
   endfacet
+  facet normal 0.500002 -0.866024 0
+    outer loop
+      vertex -10.7585 -4.45025 0
+      vertex -10.3267 -4.20097 0
+      vertex -10.3267 -4.20097 1.90735e-007
+    endloop
+  endfacet
+  facet normal 0.500002 -0.866024 0
+    outer loop
+      vertex -10.7585 -4.45025 0
+      vertex -10.3267 -4.20097 1.90735e-007
+      vertex -10.7585 -4.45025 1.90735e-007
+    endloop
+  endfacet
   facet normal -0 0 -1
     outer loop
       vertex -10.7585 -4.45025 1.90735e-007
@@ -153,32 +167,18 @@ solid OpenSCAD_Model
       vertex 10.5395 -4.33099 3.2
     endloop
   endfacet
-  facet normal 0.500002 -0.866024 0
-    outer loop
-      vertex -10.7585 -4.45025 5.4498e-016
-      vertex -10.3267 -4.20097 1.90735e-007
-      vertex -10.7585 -4.45025 1.90735e-007
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-      vertex -10.3267 -4.20097 5.14453e-016
-      vertex -10.3267 -4.20097 1.90735e-007
-    endloop
-  endfacet
   facet normal 0.500002 0.866024 0
     outer loop
-      vertex -10.7585 4.45025 -5.4498e-016
+      vertex -10.7585 4.45025 0
       vertex -10.7585 4.45025 1.90735e-007
-      vertex -10.3267 4.20097 -5.14453e-016
+      vertex -10.3267 4.20097 0
     endloop
   endfacet
   facet normal 0.500002 0.866024 -0
     outer loop
       vertex -10.7585 4.45025 1.90735e-007
       vertex -10.3267 4.20097 1.90735e-007
-      vertex -10.3267 4.20097 -5.14453e-016
+      vertex -10.3267 4.20097 0
     endloop
   endfacet
   facet normal 0 0 -1
@@ -223,74 +223,88 @@ solid OpenSCAD_Model
       vertex -10.3267 4.20097 3.2
     endloop
   endfacet
-  facet normal 0 -1.22461e-016 -1
+  facet normal 0 0 -1
     outer loop
-      vertex -11.1086 -6.36795e-016 0
-      vertex -8.039 -6.36795e-016 0
-      vertex -8.06385 -0.497938 6.09778e-017
+      vertex -11.1086 0 0
+      vertex -8.039 0 0
+      vertex -8.06385 -0.497938 0
     endloop
   endfacet
-  facet normal -1.99184e-025 -1.22461e-016 -1
+  facet normal 0 0 -1
     outer loop
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-      vertex -8.06385 -0.497938 6.09778e-017
-      vertex -8.13816 -0.990929 1.2135e-016
+      vertex -11.1086 0 0
+      vertex -8.06385 -0.497938 0
+      vertex -8.13816 -0.990929 0
     endloop
   endfacet
-  facet normal -0 -1.22461e-016 -1
+  facet normal 0 0 -1
     outer loop
-      vertex -11.1086 -6.36795e-016 0
-      vertex -8.06385 0.497938 -6.09778e-017
-      vertex -8.039 -6.36795e-016 0
+      vertex -11.1086 0 0
+      vertex -8.06385 0.497938 0
+      vertex -8.039 0 0
     endloop
   endfacet
-  facet normal 2.27347e-024 -1.22461e-016 -1
+  facet normal 0 0 -1
     outer loop
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-      vertex -8.13816 -0.990929 1.2135e-016
-      vertex -8.26118 -1.47407 1.80516e-016
+      vertex -11.1086 0 0
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+      vertex -8.26118 -1.47407 0
     endloop
   endfacet
-  facet normal 1.99184e-025 -1.22461e-016 -1
+  facet normal -0 0 -1
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-  facet normal 6.59785e-024 -1.22461e-016 -1
+  facet normal 0 0 -1
     outer loop
-      vertex -11.1086 -6.36795e-016 0
-      vertex -8.26118 -1.47407 1.80516e-016
-      vertex -8.4317 -1.94256 2.37887e-016
+      vertex -11.1086 0 0
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+      vertex -8.4317 -1.94256 0
     endloop
   endfacet
-  facet normal -2.27347e-024 -1.22461e-016 -1
+  facet normal -0 0 -1
     outer loop
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-      vertex -8.26118 1.47407 -1.80516e-016
-      vertex -8.13816 0.990929 -1.2135e-016
+      vertex -11.1086 0 0
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+      vertex -8.13816 0.990929 0
     endloop
   endfacet
-  facet normal -1.69224e-023 -1.22461e-016 -1
+  facet normal 0 0 -1
     outer loop
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-      vertex -8.4317 -1.94256 2.37887e-016
-      vertex -8.64801 -2.39175 2.92895e-016
+      vertex -11.1086 0 0
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+      vertex -8.64801 -2.39175 0
     endloop
   endfacet
-  facet normal -6.59785e-024 -1.22461e-016 -1
+  facet normal -0 0 -1
     outer loop
-      vertex -11.1086 -6.36795e-016 0
-      vertex -8.4317 1.94256 -2.37887e-016
-      vertex -8.26118 1.47407 -1.80516e-016
+      vertex -11.1086 0 0
+      vertex -8.4317 1.94256 0
+      vertex -8.26118 1.47407 0
     endloop
   endfacet
-  facet normal 1.69224e-023 -1.22461e-016 -1
+  facet normal -0 0 -1
     outer loop
-      vertex -11.1086 -6.36795e-016 0
-      vertex -8.64801 2.39175 -2.92895e-016
-      vertex -8.4317 1.94256 -2.37887e-016
+      vertex -11.1086 0 0
+      vertex -8.64801 2.39175 0
+      vertex -8.4317 1.94256 0
+    endloop
+  endfacet
+  facet normal 0.411287 -0.911506 0
+    outer loop
+      vertex -11.2129 -4.6553 0
+      vertex -10.7585 -4.45025 0
+      vertex -10.7585 -4.45025 1.90735e-007
+    endloop
+  endfacet
+  facet normal 0.411287 -0.911506 0
+    outer loop
+      vertex -11.2129 -4.6553 0
+      vertex -10.7585 -4.45025 1.90735e-007
+      vertex -11.2129 -4.6553 1.90735e-007
     endloop
   endfacet
   facet normal -0 0 -1
@@ -335,32 +349,18 @@ solid OpenSCAD_Model
       vertex 10.9832 -4.55844 3.2
     endloop
   endfacet
-  facet normal 0.411287 -0.911506 0
-    outer loop
-      vertex -11.2129 -4.6553 5.70091e-016
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-    endloop
-  endfacet
   facet normal 0.411287 0.911506 0
     outer loop
-      vertex -11.2129 4.6553 -5.70091e-016
+      vertex -11.2129 4.6553 0
       vertex -11.2129 4.6553 1.90735e-007
-      vertex -10.7585 4.45025 -5.4498e-016
+      vertex -10.7585 4.45025 0
     endloop
   endfacet
   facet normal 0.411287 0.911506 -0
     outer loop
       vertex -11.2129 4.6553 1.90735e-007
       vertex -10.7585 4.45025 1.90735e-007
-      vertex -10.7585 4.45025 -5.4498e-016
+      vertex -10.7585 4.45025 0
     endloop
   endfacet
   facet normal 0 0 -1
@@ -409,14 +409,14 @@ solid OpenSCAD_Model
     outer loop
       vertex -11.44 -2.77128 4
       vertex -11.44 -2.77128 7
-      vertex -9.84 2.20429e-016 7
+      vertex -9.84 0 7
     endloop
   endfacet
   facet normal -0.866025 0.5 0
     outer loop
       vertex -11.44 -2.77128 4
-      vertex -9.84 2.20429e-016 7
-      vertex -9.84 -1.46953e-016 4
+      vertex -9.84 0 7
+      vertex -9.84 0 4
     endloop
   endfacet
   facet normal 0 0 1
@@ -444,7 +444,7 @@ solid OpenSCAD_Model
     outer loop
       vertex -11.44 -2.77128 7
       vertex -8.64801 -2.39175 7
-      vertex -9.84 2.20429e-016 7
+      vertex -9.84 0 7
     endloop
   endfacet
   facet normal 0 0 1
@@ -475,17 +475,10 @@ solid OpenSCAD_Model
       vertex -9.54812 -3.58005 7
     endloop
   endfacet
-  facet normal -0.866025 -0.5 6.12303e-017
-    outer loop
-      vertex -11.44 2.77128 4
-      vertex -9.84 -1.46953e-016 4
-      vertex -9.84 2.20429e-016 7
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-  endfacet
   facet normal -0.866025 -0.5 0
     outer loop
       vertex -11.44 2.77128 4
-      vertex -9.84 2.20429e-016 7
+      vertex -9.84 0 4
       vertex -11.44 2.77128 7
     endloop
   endfacet
@@ -531,10 +524,17 @@ solid OpenSCAD_Model
       vertex -9.92193 3.90994 7
     endloop
   endfacet
+  facet normal -0.866025 -0.5 0
+    outer loop
+      vertex -11.44 2.77128 7
+      vertex -9.84 0 4
+      vertex -9.84 0 7
+    endloop
+  endfacet
   facet normal 0 0 1
     outer loop
       vertex -11.44 2.77128 7
-      vertex -9.84 2.20429e-016 7
+      vertex -9.84 0 7
       vertex -8.64801 2.39175 7
     endloop
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@@ -545,6 +545,20 @@ solid OpenSCAD_Model
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     outer loop
       vertex -17.9851 -0.745359 7
       vertex -17.8864 -1.23403 7
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   facet normal -0 0 1
     outer loop
       vertex -17.9851 0.745359 7
-      vertex -16.24 2.20429e-016 7
+      vertex -16.24 0 7
       vertex -17.8864 1.23403 7
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   facet normal -0 0 1
     outer loop
       vertex -18.0348 0.249279 7
-      vertex -16.24 2.20429e-016 7
+      vertex -16.24 0 7
       vertex -17.9851 0.745359 7
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       vertex 8.04522 0.249279 6.995
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@@ -2456,17 +2463,10 @@ solid OpenSCAD_Model
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@@ -2474,7 +2474,7 @@ solid OpenSCAD_Model
     outer loop
       vertex -8.06385 -0.497938 6.995
       vertex 8.04522 -0.249279 6.995
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       vertex -8.06385 -0.497938 7
-      vertex -8.039 2.19817e-016 6.995
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   facet normal 0 0 1
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       vertex -8.06385 0.497938 6.995
-      vertex -8.039 2.19817e-016 6.995
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+  endfacet
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@@ -2717,14 +2717,14 @@ solid OpenSCAD_Model
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@@ -2843,8 +2843,15 @@ solid OpenSCAD_Model
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@@ -2967,6 +2967,20 @@ solid OpenSCAD_Model
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@@ -5812,31 +5812,31 @@ solid OpenSCAD_Model
   facet normal -0 0 1
     outer loop
       vertex 8.53425 2.16985 7
-      vertex 9.84 2.20429e-016 7
+      vertex 9.84 0 7
       vertex 8.77269 2.6077 7
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+  facet normal 0 0 -1
+    outer loop
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@@ -5848,7 +5848,7 @@ solid OpenSCAD_Model
     outer loop
       vertex 8.77269 -2.6077 7
       vertex 11.44 -2.77128 7
-      vertex 9.84 2.20429e-016 7
+      vertex 9.84 0 7
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@@ -5867,23 +5867,23 @@ solid OpenSCAD_Model
   endfacet
   facet normal -0.826239 0.56332 0
     outer loop
-      vertex 8.77269 2.6077 -3.1934e-016
+      vertex 8.77269 2.6077 0
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       vertex 9.05354 3.01963 1.90735e-007
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   endfacet
-  facet normal 5.32915e-024 -1.22461e-016 -1
+  facet normal 0 0 -1
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-      vertex 8.77269 2.6077 -3.1934e-016
-      vertex 9.05354 3.01963 -3.69785e-016
-      vertex 11.2999 0.837986 -1.0262e-016
+      vertex 8.77269 2.6077 0
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-      vertex 9.05354 3.01963 -3.69785e-016
+      vertex 9.05354 3.01963 0
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   facet normal -0.826239 0.56332 0
@@ -5910,14 +5910,28 @@ solid OpenSCAD_Model
   facet normal 0 0 1
     outer loop
       vertex 8.77269 2.6077 7
-      vertex 9.84 2.20429e-016 7
+      vertex 9.84 0 7
       vertex 11.44 2.77128 7
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   endfacet
+  facet normal 0 0 -1
+    outer loop
+      vertex 9.05354 -3.01963 0
+      vertex 11.2999 -0.837986 0
+      vertex 9.37401 -3.40154 0
+    endloop
+  endfacet
+  facet normal -0.766045 -0.642787 0
+    outer loop
+      vertex 9.05354 -3.01963 0
+      vertex 9.37401 -3.40154 0
+      vertex 9.05354 -3.01963 1.90735e-007
+    endloop
+  endfacet
   facet normal -0.766045 -0.642787 0
     outer loop
       vertex 9.05354 -3.01963 1.90735e-007
-      vertex 9.37401 -3.40154 4.16555e-016
+      vertex 9.37401 -3.40154 0
       vertex 9.37401 -3.40154 1.90735e-007
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@@ -5928,20 +5942,6 @@ solid OpenSCAD_Model
       vertex 9.05354 -3.01963 7
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   endfacet
-  facet normal -1.74231e-023 -1.22461e-016 -1
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-  endfacet
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@@ -5958,23 +5958,23 @@ solid OpenSCAD_Model
   endfacet
   facet normal -0.766045 0.642787 0
     outer loop
-      vertex 9.05354 3.01963 -3.69785e-016
+      vertex 9.05354 3.01963 0
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       vertex 9.37401 3.40154 1.90735e-007
     endloop
   endfacet
-  facet normal 1.74231e-023 -1.22461e-016 -1
+  facet normal 0 0 -1
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-      vertex 9.37401 3.40154 -4.16555e-016
-      vertex 11.2999 0.837986 -1.0262e-016
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   facet normal -0.766045 0.642787 0
@@ -5998,11 +5998,25 @@ solid OpenSCAD_Model
       vertex 9.37401 3.40154 7
     endloop
   endfacet
+  facet normal 0 0 -1
+    outer loop
+      vertex 9.37401 -3.40154 0
+      vertex 11.2999 -0.837986 0
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+      vertex 9.73091 -3.74966 0
+      vertex 9.73091 -3.74966 1.90735e-007
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+  endfacet
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-      vertex 9.73091 -3.74966 4.59185e-016
+      vertex 9.37401 -3.40154 0
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+      vertex 9.37401 -3.40154 1.90735e-007
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@@ -6019,20 +6033,6 @@ solid OpenSCAD_Model
       vertex 9.37401 -3.40154 7
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-  endfacet
   facet normal 0 0 1
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       vertex 9.37401 -3.40154 7
@@ -6042,23 +6042,23 @@ solid OpenSCAD_Model
   endfacet
   facet normal -0.698237 0.715866 0
     outer loop
-      vertex 9.37401 3.40154 -4.16555e-016
+      vertex 9.37401 3.40154 0
       vertex 9.37401 3.40154 1.90735e-007
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+      vertex 9.73091 3.74966 0
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-  facet normal -4.49269e-023 -1.22461e-016 -1
+  facet normal 0 0 -1
     outer loop
-      vertex 9.37401 3.40154 -4.16555e-016
-      vertex 9.73091 3.74966 -4.59185e-016
-      vertex 11.2999 0.837986 -1.0262e-016
+      vertex 9.37401 3.40154 0
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   endfacet
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+      vertex 9.73091 3.74966 0
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   facet normal -0.698237 0.715866 0
@@ -6082,11 +6082,25 @@ solid OpenSCAD_Model
       vertex 9.73091 3.74966 3.2
     endloop
   endfacet
+  facet normal -0.623489 -0.781832 -0
+    outer loop
+      vertex 9.73091 -3.74966 0
+      vertex 10.1207 -4.0605 0
+      vertex 10.1207 -4.0605 1.90735e-007
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+  endfacet
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     outer loop
-      vertex 9.73091 -3.74966 1.90735e-007
-      vertex 10.1207 -4.0605 4.97252e-016
+      vertex 9.73091 -3.74966 0
       vertex 10.1207 -4.0605 1.90735e-007
+      vertex 9.73091 -3.74966 1.90735e-007
+    endloop
+  endfacet
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+      vertex 11.2999 -0.837986 0
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   endfacet
   facet normal -0.623489 -0.781832 -0
@@ -6103,20 +6117,6 @@ solid OpenSCAD_Model
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@@ -6124,25 +6124,25 @@ solid OpenSCAD_Model
       vertex 11.44 -2.77128 7
     endloop
   endfacet
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+  facet normal 0 0 -1
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       vertex 10.1207 4.0605 1.90735e-007
+      vertex 10.1207 4.0605 0
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   facet normal -0.623489 0.781832 0
@@ -6168,49 +6168,49 @@ solid OpenSCAD_Model
   endfacet
   facet normal 0 0 1
     outer loop
-      vertex 9.84 -1.46953e-016 4
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-      vertex 9.84 -1.46953e-016 4
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-      vertex 9.84 -1.46953e-016 4
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-      vertex 9.84 -1.46953e-016 4
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       vertex 11.44 2.77128 7
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diff --git a/dibond/stls/ribbon_clamp_20_44N.stl b/dibond/stls/ribbon_clamp_20_44N.stl
index 9f86a1f..14579e7 100644
--- a/dibond/stls/ribbon_clamp_20_44N.stl
+++ b/dibond/stls/ribbon_clamp_20_44N.stl
@@ -1,22 +1,22 @@
 solid OpenSCAD_Model
   facet normal 0 0 1
     outer loop
-      vertex -11.549 3.42278e-016 7.995
-      vertex 11.549 3.42278e-016 7.995
+      vertex -11.549 0 7.995
+      vertex 11.549 0 7.995
       vertex 11.5713 0.509948 7.995
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+      vertex -11.549 0 7.995
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@@ -24,7 +24,7 @@ solid OpenSCAD_Model
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       vertex -11.5713 -0.509948 7.995
       vertex 11.5713 -0.509948 7.995
-      vertex -11.549 3.42278e-016 7.995
+      vertex -11.549 0 7.995
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@@ -37,29 +37,29 @@ solid OpenSCAD_Model
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     outer loop
       vertex -11.5713 -0.509948 8
-      vertex -11.549 3.42278e-016 7.995
-      vertex -11.549 3.4289e-016 8
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+      vertex -11.549 0 8
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@@ -603,84 +603,84 @@ solid OpenSCAD_Model
   endfacet
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     outer loop
-      vertex -13.35 3.4289e-016 8
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+      vertex -13.35 0 8
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@@ -743,8 +743,15 @@ solid OpenSCAD_Model
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@@ -755,13 +762,6 @@ solid OpenSCAD_Model
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@@ -804,6 +804,20 @@ solid OpenSCAD_Model
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@@ -839,32 +853,18 @@ solid OpenSCAD_Model
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@@ -902,6 +902,20 @@ solid OpenSCAD_Model
       vertex -13.639 4.48213 3.2
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       vertex 14.4745 -5.06711 3.2
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+      vertex -14.044 4.79286 0
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       vertex -14.4745 5.06711 1.90735e-007
       vertex -14.044 4.79286 1.90735e-007
-      vertex -14.044 4.79286 -5.86936e-016
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@@ -1000,6 +1000,20 @@ solid OpenSCAD_Model
       vertex -14.044 4.79286 3.2
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   endfacet
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+      vertex -14.4745 -5.06711 1.90735e-007
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+  endfacet
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       vertex 14.9273 -5.30281 3.2
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+      vertex -14.4745 5.06711 0
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       vertex -14.9273 5.30281 1.90735e-007
       vertex -14.4745 5.06711 1.90735e-007
-      vertex -14.4745 5.06711 -6.20522e-016
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       vertex -14.4745 5.06711 3.2
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   endfacet
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+  facet normal 0 0 -1
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-      vertex -13.7 -4.52889 5.54611e-016
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       vertex -12.3329 -2.9255 8
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       vertex -14.4745 -5.06711 8
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+      vertex -13.35 0 4
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@@ -1217,10 +1210,17 @@ solid OpenSCAD_Model
       vertex -13.639 4.48213 8
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   endfacet
+  facet normal -0.866025 -0.5 0
+    outer loop
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+      vertex -13.35 0 8
       vertex -12.3329 2.9255 8
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@@ -1245,6 +1245,20 @@ solid OpenSCAD_Model
       vertex -14.9273 5.30281 8
     endloop
   endfacet
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+      vertex -14.9273 -5.30281 1.90735e-007
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+  endfacet
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+  endfacet
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       vertex 15.3988 -5.49814 3.2
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   endfacet
   facet normal 0.382683 0.92388 0
     outer loop
-      vertex -15.3988 5.49814 -6.73306e-016
+      vertex -15.3988 5.49814 0
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+      vertex -14.9273 5.30281 0
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@@ -1319,7 +1319,7 @@ solid OpenSCAD_Model
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       vertex -15.3988 5.49814 1.90735e-007
       vertex -14.9273 5.30281 1.90735e-007
-      vertex -14.9273 5.30281 -6.49385e-016
+      vertex -14.9273 5.30281 0
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       vertex -14.9273 5.30281 8
     endloop
   endfacet
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+  facet normal 0 0 -1
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+  facet normal -0.939693 -0.34202 0
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     outer loop
       vertex -15.5299 1.56917 4
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+      vertex -14.9588 0 4
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   endfacet
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@@ -1490,20 +1504,6 @@ solid OpenSCAD_Model
       vertex 15.8856 -5.65163 3.2
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   endfacet
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     outer loop
-      vertex -15.8856 5.65163 -6.92102e-016
+      vertex -15.8856 5.65163 0
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@@ -1529,7 +1529,7 @@ solid OpenSCAD_Model
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       vertex -15.8856 5.65163 1.90735e-007
       vertex -15.3988 5.49814 1.90735e-007
-      vertex -15.3988 5.49814 -6.73306e-016
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@@ -1567,6 +1567,20 @@ solid OpenSCAD_Model
       vertex -15.3988 5.49814 3.2
     endloop
   endfacet
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+    outer loop
+      vertex -16.384 -5.76211 0
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+      vertex -15.8856 -5.65163 1.90735e-007
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+  endfacet
   facet normal 0 0 -1
     outer loop
       vertex -16.384 -5.76211 1.90735e-007
@@ -1602,20 +1616,6 @@ solid OpenSCAD_Model
       vertex 16.384 -5.76211 3.2
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@@ -1625,9 +1625,9 @@ solid OpenSCAD_Model
   endfacet
   facet normal 0.21644 0.976296 0
     outer loop
-      vertex -16.384 5.76211 -7.05632e-016
+      vertex -16.384 5.76211 0
       vertex -16.384 5.76211 1.90735e-007
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+      vertex -15.8856 5.65163 0
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@@ -1641,7 +1641,7 @@ solid OpenSCAD_Model
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       vertex -16.384 5.76211 1.90735e-007
       vertex -15.8856 5.65163 1.90735e-007
-      vertex -15.8856 5.65163 -6.92102e-016
+      vertex -15.8856 5.65163 0
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@@ -1679,6 +1679,20 @@ solid OpenSCAD_Model
       vertex -15.8856 5.65163 3.2
     endloop
   endfacet
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+    outer loop
+      vertex -16.8901 -5.82873 0
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+      vertex -16.384 -5.76211 1.90735e-007
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+  endfacet
   facet normal 0 0 -1
     outer loop
       vertex -16.8901 -5.82873 1.90735e-007
@@ -1714,20 +1728,6 @@ solid OpenSCAD_Model
       vertex 16.8901 -5.82873 3.2
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   endfacet
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     outer loop
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+      vertex -16.8901 5.82873 0
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@@ -1753,7 +1753,7 @@ solid OpenSCAD_Model
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       vertex -16.8901 5.82873 1.90735e-007
       vertex -16.384 5.76211 1.90735e-007
-      vertex -16.384 5.76211 -7.05632e-016
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@@ -4108,6 +4101,13 @@ solid OpenSCAD_Model
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diff --git a/dibond/stls/ribbon_clamp_26_33N.stl b/dibond/stls/ribbon_clamp_26_33N.stl
index 89e7efc..54f22eb 100644
--- a/dibond/stls/ribbon_clamp_26_33N.stl
+++ b/dibond/stls/ribbon_clamp_26_33N.stl
@@ -1,7 +1,7 @@
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@@ -9,7 +9,7 @@ solid OpenSCAD_Model
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@@ -17,7 +17,7 @@ solid OpenSCAD_Model
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       vertex -22.26 -2.77128 7
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   endfacet
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+  facet normal 0 0 -1
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       vertex -24.326 3.40154 7
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   endfacet
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+  facet normal 0 0 -1
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@@ -2656,13 +2656,13 @@ solid OpenSCAD_Model
     outer loop
       vertex -24.9273 -2.6077 7
       vertex -22.26 -2.77128 7
-      vertex -23.86 2.20429e-016 7
+      vertex -23.86 0 7
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@@ -2673,23 +2673,23 @@ solid OpenSCAD_Model
       vertex -22.26 -2.77128 7
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   endfacet
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+  facet normal 0 0 -1
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@@ -2704,28 +2704,28 @@ solid OpenSCAD_Model
   facet normal 0 0 1
     outer loop
       vertex -24.9273 2.6077 7
-      vertex -23.86 2.20429e-016 7
+      vertex -23.86 0 7
       vertex -22.26 2.77128 7
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@@ -2733,26 +2733,26 @@ solid OpenSCAD_Model
     outer loop
       vertex -25.1657 -2.16985 7
       vertex -24.9273 -2.6077 7
-      vertex -23.86 2.20429e-016 7
+      vertex -23.86 0 7
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@@ -2760,28 +2760,28 @@ solid OpenSCAD_Model
   facet normal -0 0 1
     outer loop
       vertex -25.1657 2.16985 7
-      vertex -23.86 2.20429e-016 7
+      vertex -23.86 0 7
       vertex -24.9273 2.6077 7
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@@ -2789,26 +2789,26 @@ solid OpenSCAD_Model
     outer loop
       vertex -25.3594 -1.71044 7
       vertex -25.1657 -2.16985 7
-      vertex -23.86 2.20429e-016 7
+      vertex -23.86 0 7
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@@ -2816,28 +2816,28 @@ solid OpenSCAD_Model
   facet normal -0 0 1
     outer loop
       vertex -25.3594 1.71044 7
-      vertex -23.86 2.20429e-016 7
+      vertex -23.86 0 7
       vertex -25.1657 2.16985 7
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@@ -2845,26 +2845,26 @@ solid OpenSCAD_Model
     outer loop
       vertex -25.5064 -1.23403 7
       vertex -25.3594 -1.71044 7
-      vertex -23.86 2.20429e-016 7
+      vertex -23.86 0 7
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@@ -2872,14 +2872,28 @@ solid OpenSCAD_Model
   facet normal -0 0 1
     outer loop
       vertex -25.5064 1.23403 7
-      vertex -23.86 2.20429e-016 7
+      vertex -23.86 0 7
       vertex -25.3594 1.71044 7
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+    outer loop
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@@ -2887,40 +2901,26 @@ solid OpenSCAD_Model
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       vertex -25.6051 -0.745359 7
       vertex -25.5064 -1.23403 7
-      vertex -23.86 2.20429e-016 7
+      vertex -23.86 0 7
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@@ -2928,90 +2928,90 @@ solid OpenSCAD_Model
   facet normal -0 0 1
     outer loop
       vertex -25.6051 0.745359 7
-      vertex -23.86 2.20429e-016 7
+      vertex -23.86 0 7
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@@ -3019,7 +3019,7 @@ solid OpenSCAD_Model
   facet normal -0 0 1
     outer loop
       vertex -25.6548 0.249279 7
-      vertex -23.86 2.20429e-016 7
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       vertex 15.6652 -0.249279 7
       vertex 15.7149 -0.745359 7
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   facet normal -0 0 1
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       vertex 15.6652 0.249279 7
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@@ -3104,7 +3104,7 @@ solid OpenSCAD_Model
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       vertex 15.7149 -0.745359 7
       vertex 15.8136 -1.23403 7
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+      vertex 17.46 0 7
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@@ -3124,7 +3124,7 @@ solid OpenSCAD_Model
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       vertex 15.7149 0.745359 7
-      vertex 17.46 2.20429e-016 7
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       vertex 15.9606 -1.71044 7
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@@ -3216,7 +3216,7 @@ solid OpenSCAD_Model
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       vertex 15.9606 -1.71044 7
       vertex 16.1543 -2.16985 7
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@@ -3236,7 +3236,7 @@ solid OpenSCAD_Model
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@@ -3258,7 +3258,7 @@ solid OpenSCAD_Model
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       vertex 16.3927 -2.6077 7
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 endsolid OpenSCAD_Model
diff --git a/dibond/stls/ribbon_clamp_26_44N.stl b/dibond/stls/ribbon_clamp_26_44N.stl
index 4b19611..8f0eeaf 100644
--- a/dibond/stls/ribbon_clamp_26_44N.stl
+++ b/dibond/stls/ribbon_clamp_26_44N.stl
@@ -1,22 +1,22 @@
 solid OpenSCAD_Model
   facet normal 0 0 1
     outer loop
-      vertex -15.359 3.42278e-016 7.995
-      vertex 15.359 3.42278e-016 7.995
+      vertex -15.359 0 7.995
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@@ -24,7 +24,7 @@ solid OpenSCAD_Model
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       vertex -15.3813 -0.509948 7.995
       vertex 15.3813 -0.509948 7.995
-      vertex -15.359 3.42278e-016 7.995
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   facet normal 0 0 1
@@ -37,29 +37,29 @@ solid OpenSCAD_Model
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     outer loop
       vertex -15.3813 -0.509948 8
-      vertex -15.359 3.42278e-016 7.995
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@@ -603,84 +603,84 @@ solid OpenSCAD_Model
   endfacet
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-      vertex -17.16 3.4289e-016 8
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+      vertex -17.16 0 8
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@@ -743,8 +743,15 @@ solid OpenSCAD_Model
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@@ -902,6 +902,20 @@ solid OpenSCAD_Model
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@@ -937,25 +951,11 @@ solid OpenSCAD_Model
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@@ -969,7 +969,7 @@ solid OpenSCAD_Model
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       vertex -17.854 4.79286 1.90735e-007
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@@ -1000,6 +1000,20 @@ solid OpenSCAD_Model
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@@ -1035,25 +1049,11 @@ solid OpenSCAD_Model
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@@ -1217,10 +1210,17 @@ solid OpenSCAD_Model
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@@ -1245,6 +1245,20 @@ solid OpenSCAD_Model
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@@ -1280,20 +1294,6 @@ solid OpenSCAD_Model
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@@ -3104,26 +3104,26 @@ solid OpenSCAD_Model
     outer loop
       vertex -26.7081 -2.00116 8
       vertex -26.5128 -2.47274 8
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+      vertex -25.26 0 8
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   facet normal -0 0 1
     outer loop
       vertex -26.7081 2.00116 8
-      vertex -25.26 3.4289e-016 8
+      vertex -25.26 0 8
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@@ -3160,26 +3160,26 @@ solid OpenSCAD_Model
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       vertex -26.8616 -1.51435 8
       vertex -26.7081 -2.00116 8
-      vertex -25.26 3.4289e-016 8
+      vertex -25.26 0 8
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@@ -3187,28 +3187,28 @@ solid OpenSCAD_Model
   facet normal -0 0 1
     outer loop
       vertex -26.8616 1.51435 8
-      vertex -25.26 3.4289e-016 8
+      vertex -25.26 0 8
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@@ -3216,26 +3216,26 @@ solid OpenSCAD_Model
     outer loop
       vertex -26.9721 -1.01602 8
       vertex -26.8616 -1.51435 8
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+      vertex -25.26 0 8
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@@ -3243,28 +3243,28 @@ solid OpenSCAD_Model
   facet normal -0 0 1
     outer loop
       vertex -26.9721 1.01602 8
-      vertex -25.26 3.4289e-016 8
+      vertex -25.26 0 8
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@@ -3272,26 +3272,26 @@ solid OpenSCAD_Model
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       vertex -27.0387 -0.509948 8
       vertex -26.9721 -1.01602 8
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+      vertex -25.26 0 8
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@@ -3299,112 +3299,112 @@ solid OpenSCAD_Model
   facet normal -0 0 1
     outer loop
       vertex -27.0387 0.509948 8
-      vertex -25.26 3.4289e-016 8
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+  endfacet
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@@ -3426,7 +3426,7 @@ solid OpenSCAD_Model
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       vertex 15.3813 -0.509948 8
       vertex 15.4479 -1.01602 8
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+      vertex 17.16 0 8
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@@ -3446,7 +3446,7 @@ solid OpenSCAD_Model
   facet normal -0 0 1
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       vertex 15.3813 0.509948 8
-      vertex 17.16 3.4289e-016 8
+      vertex 17.16 0 8
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@@ -3468,7 +3468,7 @@ solid OpenSCAD_Model
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       vertex 15.4479 -1.01602 8
       vertex 15.5584 -1.51435 8
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+      vertex 17.16 0 8
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@@ -3488,7 +3488,7 @@ solid OpenSCAD_Model
   facet normal -0 0 1
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       vertex 15.4479 1.01602 8
-      vertex 17.16 3.4289e-016 8
+      vertex 17.16 0 8
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@@ -3538,7 +3538,7 @@ solid OpenSCAD_Model
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@@ -3558,7 +3558,7 @@ solid OpenSCAD_Model
   facet normal -0 0 1
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       vertex 15.5584 1.51435 8
-      vertex 17.16 3.4289e-016 8
+      vertex 17.16 0 8
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@@ -3580,7 +3580,7 @@ solid OpenSCAD_Model
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       vertex 15.7119 -2.00116 8
       vertex 15.9072 -2.47274 8
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@@ -3600,7 +3600,7 @@ solid OpenSCAD_Model
   facet normal -0 0 1
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       vertex 15.7119 2.00116 8
-      vertex 17.16 3.4289e-016 8
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@@ -3622,7 +3622,7 @@ solid OpenSCAD_Model
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       vertex 15.9072 -2.47274 8
       vertex 16.1429 -2.9255 8
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+      vertex 17.16 0 8
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@@ -3642,7 +3642,7 @@ solid OpenSCAD_Model
   facet normal -0 0 1
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       vertex 15.9072 2.47274 8
-      vertex 17.16 3.4289e-016 8
+      vertex 17.16 0 8
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@@ -3671,7 +3671,7 @@ solid OpenSCAD_Model
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       vertex 16.1429 -2.9255 8
       vertex 19.185 -3.5074 8
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@@ -3691,7 +3691,7 @@ solid OpenSCAD_Model
   facet normal 0 0 1
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       vertex 16.1429 2.9255 8
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@@ -3828,51 +3828,51 @@ solid OpenSCAD_Model
       vertex 17.449 4.48213 8
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@@ -3921,65 +3921,65 @@ solid OpenSCAD_Model
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 endsolid OpenSCAD_Model
diff --git a/dibond/stls/tube_cap.stl b/dibond/stls/tube_cap.stl
index 1c1a6fd..7c5464a 100644
--- a/dibond/stls/tube_cap.stl
+++ b/dibond/stls/tube_cap.stl
@@ -1,99 +1,99 @@
 solid OpenSCAD_Model
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@@ -111,7 +111,7 @@ solid OpenSCAD_Model
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@@ -556,7 +556,7 @@ solid OpenSCAD_Model
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@@ -587,25 +587,25 @@ solid OpenSCAD_Model
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@@ -618,7 +618,7 @@ solid OpenSCAD_Model
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@@ -769,18 +769,74 @@ solid OpenSCAD_Model
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@@ -804,14 +860,14 @@ solid OpenSCAD_Model
       vertex 0.851303 -4.72 11.1734
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+  facet normal -0.468415 0 0.883509
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@@ -827,28 +883,28 @@ solid OpenSCAD_Model
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+  facet normal -0.907571 0 -0.419899
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       vertex 2.1796 -4.72 12.5756
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+  facet normal -0.907571 -0 -0.419899
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@@ -1231,20 +1273,6 @@ solid OpenSCAD_Model
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@@ -1315,32 +1343,4 @@ solid OpenSCAD_Model
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 endsolid OpenSCAD_Model
diff --git a/dibond/stls/wades_block.stl b/dibond/stls/wades_block.stl
index 132cc47..f4aef72 100644
--- a/dibond/stls/wades_block.stl
+++ b/dibond/stls/wades_block.stl
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@@ -38,13 +17,13 @@ solid OpenSCAD_Model
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@@ -76,41 +55,6 @@ solid OpenSCAD_Model
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@@ -125,13 +69,6 @@ solid OpenSCAD_Model
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@@ -174,27 +111,6 @@ solid OpenSCAD_Model
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@@ -230,34 +146,6 @@ solid OpenSCAD_Model
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@@ -972,590 +699,163 @@ solid OpenSCAD_Model
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+      vertex 103.995 0 5.50467
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       vertex 100.953 0 15.3
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+      vertex 103.995 0 20.4953
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@@ -29399,20 +27285,6 @@ solid OpenSCAD_Model
       vertex 100.953 0 15.3
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@@ -29420,13 +27292,6 @@ solid OpenSCAD_Model
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@@ -29441,41 +27306,6 @@ solid OpenSCAD_Model
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+      vertex 103.995 0 5.50467
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diff --git a/dibond/stls/wades_idler_block.stl b/dibond/stls/wades_idler_block.stl
index 569d322..1bedb60 100644
--- a/dibond/stls/wades_idler_block.stl
+++ b/dibond/stls/wades_idler_block.stl
@@ -20,13 +20,6 @@ solid OpenSCAD_Model
       vertex 6.61579 -4.5 0
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@@ -41,10 +34,10 @@ solid OpenSCAD_Model
       vertex -0.12279 12 5.70175
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   endfacet
-  facet normal -2.36183e-009 -1 8.26749e-008
+  facet normal 0 -1 0
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   endfacet
@@ -76,6 +69,13 @@ solid OpenSCAD_Model
       vertex -0.12279 -4.5 5.70175
     endloop
   endfacet
+  facet normal -0 -1 0
+    outer loop
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@@ -83,6 +83,13 @@ solid OpenSCAD_Model
       vertex -0.12279 12 5.70175
     endloop
   endfacet
+  facet normal 0 -1 0
+    outer loop
+      vertex -0.611954 12 5.74377
+      vertex 0.367972 12 5.71577
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+  endfacet
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@@ -118,6 +125,13 @@ solid OpenSCAD_Model
       vertex -0.611954 -4.5 5.74377
     endloop
   endfacet
+  facet normal 0 -1 0
+    outer loop
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+      vertex 0.853938 12 5.78565
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@@ -125,6 +139,13 @@ solid OpenSCAD_Model
       vertex -0.611954 12 5.74377
     endloop
   endfacet
+  facet normal 0 -1 0
+    outer loop
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+      vertex 0.853938 12 5.78565
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@@ -160,6 +181,13 @@ solid OpenSCAD_Model
       vertex -1.09314 -4.5 5.84127
     endloop
   endfacet
+  facet normal 0 -1 0
+    outer loop
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+      vertex 1.32877 12 5.91046
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+  endfacet
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@@ -167,6 +195,13 @@ solid OpenSCAD_Model
       vertex -1.09314 12 5.84127
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   endfacet
+  facet normal 0 -1 0
+    outer loop
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@@ -202,6 +237,20 @@ solid OpenSCAD_Model
       vertex -10.3923 4.5 4
     endloop
   endfacet
+  facet normal 0 -1 -0
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@@ -230,32 +279,18 @@ solid OpenSCAD_Model
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   endfacet
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+  facet normal 0 -1 0
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@@ -286,6 +321,20 @@ solid OpenSCAD_Model
       vertex -3.96083 -4.5 8.32614
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+  facet normal 0 -1 0
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@@ -321,6 +370,20 @@ solid OpenSCAD_Model
       vertex -4.12582 -4.5 8.78855
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@@ -342,6 +405,41 @@ solid OpenSCAD_Model
       vertex -11.5911 -4.5 6.89417
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+  endfacet
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@@ -371,122 +469,10 @@ solid OpenSCAD_Model
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@@ -496,13 +482,6 @@ solid OpenSCAD_Model
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@@ -559,101 +538,10 @@ solid OpenSCAD_Model
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@@ -3030,6 +2666,13 @@ solid OpenSCAD_Model
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@@ -3058,6 +2701,20 @@ solid OpenSCAD_Model
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@@ -3079,6 +2736,13 @@ solid OpenSCAD_Model
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@@ -4717,6 +4094,20 @@ solid OpenSCAD_Model
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+  facet normal 0 -1 0
+    outer loop
+      vertex 4.18825 4.5 9.02606
+      vertex 11.8177 4.5 7.91622
       vertex 4.27197 4.5 9.50984
     endloop
   endfacet
@@ -5221,6 +4605,13 @@ solid OpenSCAD_Model
       vertex 4.27197 -4.5 9.50984
     endloop
   endfacet
+  facet normal 0 1 0
+    outer loop
+      vertex 4.27197 -4.5 10.4902
+      vertex 11.8287 -4.5 12
+      vertex 11.9543 -4.5 11.0459
+    endloop
+  endfacet
   facet normal 0 1 0
     outer loop
       vertex 4.27197 -4.5 10.4902
@@ -5277,6 +4668,13 @@ solid OpenSCAD_Model
       vertex 11.9543 4.5 11.0459
     endloop
   endfacet
+  facet normal 0 -1 0
+    outer loop
+      vertex 4.27197 4.5 9.50984
+      vertex 11.8177 4.5 7.91622
+      vertex 11.9543 4.5 8.95413
+    endloop
+  endfacet
   facet normal 0 -1 0
     outer loop
       vertex 4.27197 4.5 9.50984
@@ -5326,69 +4724,6 @@ solid OpenSCAD_Model
       vertex 11.9543 4.5 11.0459
     endloop
   endfacet
-  facet normal 0 0 -1
-    outer loop
-      vertex 4.44093 4.5 0
-      vertex 15.5 13.21 0
-      vertex 5.08359 4.5 0
-    endloop
-  endfacet
-  facet normal 0 -1 1.06507e-007
-    outer loop
-      vertex 4.44093 4.5 0
-      vertex 5.08359 4.5 0
-      vertex 11.9543 4.5 8.95413
-    endloop
-  endfacet
-  facet normal 0 0 -1
-    outer loop
-      vertex 5.08359 4.5 0
-      vertex 15.5 13.21 0
-      vertex 5.68459 4.5 0
-    endloop
-  endfacet
-  facet normal 0 -1 1.06507e-007
-    outer loop
-      vertex 5.08359 4.5 0
-      vertex 5.68459 4.5 0
-      vertex 11.9543 4.5 8.95413
-    endloop
-  endfacet
-  facet normal 0 0 -1
-    outer loop
-      vertex 5.68459 4.5 0
-      vertex 15.5 13.21 0
-      vertex 6.24992 4.5 0
-    endloop
-  endfacet
-  facet normal 0 -1 1.06507e-007
-    outer loop
-      vertex 5.68459 4.5 0
-      vertex 6.24992 4.5 0
-      vertex 11.9543 4.5 8.95413
-    endloop
-  endfacet
-  facet normal 0 0 -1
-    outer loop
-      vertex 6.24992 4.5 0
-      vertex 15.5 13.21 0
-      vertex 6.61579 4.5 0
-    endloop
-  endfacet
-  facet normal 0 -1 0
-    outer loop
-      vertex 6.24992 4.5 0
-      vertex 6.61579 4.5 0
-      vertex 6.88292 4.5 0.170176
-    endloop
-  endfacet
-  facet normal -3.45512e-008 -1 1.28518e-007
-    outer loop
-      vertex 6.24992 4.5 0
-      vertex 6.88292 4.5 0.170176
-      vertex 11.9543 4.5 8.95413
-    endloop
-  endfacet
   facet normal 0 0 -1
     outer loop
       vertex 6.61579 -4.5 0
@@ -5480,13 +4815,6 @@ solid OpenSCAD_Model
       vertex 7.71345 4.5 0.807467
     endloop
   endfacet
-  facet normal -1.49572e-007 -1 1.94925e-007
-    outer loop
-      vertex 6.88292 4.5 0.170176
-      vertex 7.71345 4.5 0.807467
-      vertex 11.9543 4.5 8.95413
-    endloop
-  endfacet
   facet normal -0.67559 0 0.737278
     outer loop
       vertex 7.71345 -4.5 0.807467
@@ -5501,13 +4829,6 @@ solid OpenSCAD_Model
       vertex 8.48528 4.5 1.51472
     endloop
   endfacet
-  facet normal -2.05107e-007 -1 2.23835e-007
-    outer loop
-      vertex 7.71345 4.5 0.807467
-      vertex 8.48528 4.5 1.51472
-      vertex 11.9543 4.5 8.95413
-    endloop
-  endfacet
   facet normal -0.737278 0 0.67559
     outer loop
       vertex 8.48528 -4.5 1.51472
@@ -5522,13 +4843,6 @@ solid OpenSCAD_Model
       vertex 8.48528 4.5 1.51472
     endloop
   endfacet
-  facet normal -2.84857e-007 -1 2.61023e-007
-    outer loop
-      vertex 8.48528 4.5 1.51472
-      vertex 9.19253 4.5 2.28655
-      vertex 11.9543 4.5 8.95413
-    endloop
-  endfacet
   facet normal -0.793353 0 0.608762
     outer loop
       vertex 9.19253 -4.5 2.28655
@@ -5543,13 +4857,6 @@ solid OpenSCAD_Model
       vertex 9.19253 4.5 2.28655
     endloop
   endfacet
-  facet normal -4.05057e-007 -1 3.10812e-007
-    outer loop
-      vertex 9.19253 4.5 2.28655
-      vertex 9.82982 4.5 3.11708
-      vertex 11.9543 4.5 8.95413
-    endloop
-  endfacet
   facet normal -0.843392 0 0.537299
     outer loop
       vertex 9.82982 -4.5 3.11708
@@ -5564,11 +4871,4 @@ solid OpenSCAD_Model
       vertex 9.82982 4.5 3.11708
     endloop
   endfacet
-  facet normal -5.98254e-007 -1 3.8113e-007
-    outer loop
-      vertex 9.82982 4.5 3.11708
-      vertex 10.3923 4.5 4
-      vertex 11.9543 4.5 8.95413
-    endloop
-  endfacet
 endsolid OpenSCAD_Model
diff --git a/dibond/stls/x_belt_tensioner.stl b/dibond/stls/x_belt_tensioner.stl
index de3ce1f..5ab5d88 100644
--- a/dibond/stls/x_belt_tensioner.stl
+++ b/dibond/stls/x_belt_tensioner.stl
@@ -1329,13 +1329,6 @@ solid OpenSCAD_Model
       vertex 2.49729 6.42279 2
     endloop
   endfacet
-  facet normal 1 0 0
-    outer loop
-      vertex 2 -0.367157 3.49137
-      vertex 2 0.123291 3.45461
-      vertex 2 1.1545 6.25449
-    endloop
-  endfacet
   facet normal 0 0.074739 0.997203
     outer loop
       vertex 2 -0.367157 3.49137
@@ -1357,7 +1350,7 @@ solid OpenSCAD_Model
       vertex 5.835 0.683441 6.74999
     endloop
   endfacet
-  facet normal 1 0 1.92468e-006
+  facet normal 1 -0 0
     outer loop
       vertex 2 -0.683441 6.74999
       vertex 2 1.1545 6.25449
@@ -1378,13 +1371,6 @@ solid OpenSCAD_Model
       vertex 5.835 -0.683441 6.74999
     endloop
   endfacet
-  facet normal 1 0 0
-    outer loop
-      vertex 2 -0.824997 3.67106
-      vertex 2 -0.367157 3.49137
-      vertex 2 1.1545 6.25449
-    endloop
-  endfacet
   facet normal 0 0.365338 0.930875
     outer loop
       vertex 2 -0.824997 3.67106
@@ -1399,7 +1385,42 @@ solid OpenSCAD_Model
       vertex 5.835 -0.824997 3.67106
     endloop
   endfacet
-  facet normal 1 -4.10741e-007 4.01128e-007
+  facet normal 1 0 0
+    outer loop
+      vertex 2 -1.161 6.26099
+      vertex 2 -0.367157 3.49137
+      vertex 2 0.123291 3.45461
+    endloop
+  endfacet
+  facet normal 1 0 0
+    outer loop
+      vertex 2 -1.161 6.26099
+      vertex 2 -0.824997 3.67106
+      vertex 2 -0.367157 3.49137
+    endloop
+  endfacet
+  facet normal 1 0 0
+    outer loop
+      vertex 2 -1.161 6.26099
+      vertex 2 0.123291 3.45461
+      vertex 2 0.602798 3.56406
+    endloop
+  endfacet
+  facet normal 1 0 0
+    outer loop
+      vertex 2 -1.161 6.26099
+      vertex 2 0.602798 3.56406
+      vertex 2 1.02875 3.80999
+    endloop
+  endfacet
+  facet normal 1 0 0
+    outer loop
+      vertex 2 -1.161 6.26099
+      vertex 2 1.02875 3.80999
+      vertex 2 1.1545 6.25449
+    endloop
+  endfacet
+  facet normal 1 0 0
     outer loop
       vertex 2 -1.161 6.26099
       vertex 2 1.1545 6.25449
@@ -1413,7 +1434,7 @@ solid OpenSCAD_Model
       vertex 5.835 -1.16672 6.26672
     endloop
   endfacet
-  facet normal 1 0 0
+  facet normal 1 0 -0
     outer loop
       vertex 2 -1.16672 6.26672
       vertex 2 -1.161 6.26099
@@ -1434,17 +1455,10 @@ solid OpenSCAD_Model
       vertex 5.835 -1.161 6.26099
     endloop
   endfacet
-  facet normal 1 0 -0
+  facet normal 1 0 0
     outer loop
       vertex 2 -1.20953 3.97772
       vertex 2 -0.824997 3.67106
-      vertex 2 1.1545 6.25449
-    endloop
-  endfacet
-  facet normal 1 -4.1067e-007 4.26408e-007
-    outer loop
-      vertex 2 -1.20953 3.97772
-      vertex 2 1.1545 6.25449
       vertex 2 -1.161 6.26099
     endloop
   endfacet
@@ -1476,7 +1490,7 @@ solid OpenSCAD_Model
       vertex 5.835 -1.48659 5.8159
     endloop
   endfacet
-  facet normal 1 -2.74398e-006 4.76009e-007
+  facet normal 1 0 0
     outer loop
       vertex 2 -1.48659 4.3841
       vertex 2 -1.20953 3.97772
@@ -1574,73 +1588,45 @@ solid OpenSCAD_Model
       vertex 5.835 -1.63156 4.85409
     endloop
   endfacet
-  facet normal 1 0 0
-    outer loop
-      vertex 2 0.123291 3.45461
-      vertex 2 0.602798 3.56406
-      vertex 2 1.1545 6.25449
-    endloop
-  endfacet
-  facet normal -2.26489e-008 0.0747389 0.997203
+  facet normal -0 0.074739 0.997203
     outer loop
       vertex 2 0.123291 3.45461
       vertex 5.835 -0.367157 3.49137
-      vertex 5.835 0.104482 3.45602
-    endloop
-  endfacet
-  facet normal 7.26054e-010 0.0747436 0.997203
-    outer loop
-      vertex 2 0.123291 3.45461
-      vertex 5.835 0.104482 3.45602
       vertex 5.835 0.123291 3.45461
     endloop
   endfacet
-  facet normal -2.16168e-009 -0.222534 0.974925
+  facet normal 0 -0.222534 0.974925
     outer loop
       vertex 2 0.123291 3.45461
       vertex 5.835 0.123291 3.45461
       vertex 2 0.602798 3.56406
     endloop
   endfacet
+  facet normal 0 -0.222534 0.974925
+    outer loop
+      vertex 2 0.602798 3.56406
+      vertex 5.835 0.123291 3.45461
+      vertex 5.835 0.602798 3.56406
+    endloop
+  endfacet
+  facet normal 0 -0.500006 0.866022
+    outer loop
+      vertex 2 0.602798 3.56406
+      vertex 5.835 0.602798 3.56406
+      vertex 2 1.02875 3.80999
+    endloop
+  endfacet
   facet normal 1 0 0
-    outer loop
-      vertex 2 0.602798 3.56406
-      vertex 2 1.02875 3.80999
-      vertex 2 1.1545 6.25449
-    endloop
-  endfacet
-  facet normal -3.45869e-009 -0.222534 0.974925
-    outer loop
-      vertex 2 0.602798 3.56406
-      vertex 5.835 0.123291 3.45461
-      vertex 5.835 0.602798 3.56406
-    endloop
-  endfacet
-  facet normal -7.77124e-009 -0.500006 0.866022
-    outer loop
-      vertex 2 0.602798 3.56406
-      vertex 5.835 0.602798 3.56406
-      vertex 2 1.02875 3.80999
-    endloop
-  endfacet
-  facet normal 1 -9.86676e-007 9.86676e-007
     outer loop
       vertex 2 0.683441 6.74999
       vertex 2 1.1545 6.25449
       vertex 2 1.16672 6.26672
     endloop
   endfacet
-  facet normal -2.19801e-008 -0.707107 -0.707107
+  facet normal 0 -0.707107 -0.707107
     outer loop
       vertex 2 0.683441 6.74999
       vertex 2 1.16672 6.26672
-      vertex 5.835 0.701975 6.73146
-    endloop
-  endfacet
-  facet normal -1.09901e-008 -0.707108 -0.707106
-    outer loop
-      vertex 2 0.683441 6.74999
-      vertex 5.835 0.701975 6.73146
       vertex 5.835 0.683441 6.74999
     endloop
   endfacet
@@ -1725,7 +1711,7 @@ solid OpenSCAD_Model
     outer loop
       vertex 2 1.16672 6.26672
       vertex 5.835 1.16672 6.26672
-      vertex 5.835 0.701975 6.73146
+      vertex 5.835 0.683441 6.74999
     endloop
   endfacet
   facet normal 0 -0.900962 0.433899
@@ -2582,18 +2568,11 @@ solid OpenSCAD_Model
       vertex 5.835 -4.83499 10.2
     endloop
   endfacet
-  facet normal 1 0 0
-    outer loop
-      vertex 5.835 -4.83499 2
-      vertex 5.835 0.104482 3.45602
-      vertex 5.835 -0.367157 3.49137
-    endloop
-  endfacet
   facet normal 1 0 0
     outer loop
       vertex 5.835 -4.83499 2
       vertex 5.835 0.123291 3.45461
-      vertex 5.835 0.104482 3.45602
+      vertex 5.835 -0.367157 3.49137
     endloop
   endfacet
   facet normal 1 0 0
@@ -2641,13 +2620,6 @@ solid OpenSCAD_Model
   facet normal 1 0 0
     outer loop
       vertex 5.835 0.683441 6.74999
-      vertex 5.835 0.701975 6.73146
-      vertex 5.835 4.83499 10.2
-    endloop
-  endfacet
-  facet normal 1 0 0
-    outer loop
-      vertex 5.835 0.701975 6.73146
       vertex 5.835 1.16672 6.26672
       vertex 5.835 4.83499 10.2
     endloop
diff --git a/dibond/stls/x_carriage.stl b/dibond/stls/x_carriage.stl
index f196b4e..5012d17 100644
--- a/dibond/stls/x_carriage.stl
+++ b/dibond/stls/x_carriage.stl
@@ -1508,14 +1508,28 @@ solid OpenSCAD_Model
     outer loop
       vertex -13 -18 0
       vertex -13 -18 8
-      vertex -2.505 -18 8
+      vertex 13 -18 0
     endloop
   endfacet
   facet normal 0 1 0
     outer loop
-      vertex -13 -18 0
-      vertex -2.505 -18 8
-      vertex 13 -18 0
+      vertex -13 -18 10
+      vertex -2.5 -18 12.01
+      vertex 13 -18 10
+    endloop
+  endfacet
+  facet normal 0 1 0
+    outer loop
+      vertex -13 -18 10
+      vertex -2.5 -18 18.5
+      vertex -2.5 -18 12.01
+    endloop
+  endfacet
+  facet normal 0 1 -0
+    outer loop
+      vertex -13 -18 10
+      vertex 13 -18 10
+      vertex 13 -18 8
     endloop
   endfacet
   facet normal 1 -0 0
@@ -1525,6 +1539,20 @@ solid OpenSCAD_Model
       vertex -13 -17.9953 8
     endloop
   endfacet
+  facet normal 0 1 0
+    outer loop
+      vertex -13 -18 8
+      vertex -13 -18 10
+      vertex 13 -18 8
+    endloop
+  endfacet
+  facet normal 0 1 -0
+    outer loop
+      vertex -13 -18 8
+      vertex 13 -18 8
+      vertex 13 -18 0
+    endloop
+  endfacet
   facet normal 1 0 0
     outer loop
       vertex -13 14.9953 0
@@ -2019,7 +2047,7 @@ solid OpenSCAD_Model
     outer loop
       vertex -15.75 -18 16
       vertex -2.5 -18 18.5
-      vertex -2.505 -18 12.01
+      vertex -13 -18 10
     endloop
   endfacet
   facet normal -0 0 1
@@ -2029,18 +2057,18 @@ solid OpenSCAD_Model
       vertex -2.5 -18 18.5
     endloop
   endfacet
+  facet normal 0 1 -0
+    outer loop
+      vertex -15.75 -18 9.38423
+      vertex -13 -18 10
+      vertex -13 -18 8
+    endloop
+  endfacet
   facet normal 0 1 0
     outer loop
       vertex -15.75 -18 9.38423
       vertex -15.75 -18 16
-      vertex -2.505 -18 12.01
-    endloop
-  endfacet
-  facet normal 0 1 -0
-    outer loop
-      vertex -15.75 -18 9.38423
-      vertex -2.505 -18 12.01
-      vertex -2.505 -18 8
+      vertex -13 -18 10
     endloop
   endfacet
   facet normal -1 0 0
@@ -2442,6 +2470,13 @@ solid OpenSCAD_Model
       vertex -15.75 -37.9619 16.8716
     endloop
   endfacet
+  facet normal 0 -1 0
+    outer loop
+      vertex -15.75 -38 16
+      vertex -2.5 -38 12.01
+      vertex -2.5 -38 18.5
+    endloop
+  endfacet
   facet normal 0 -1 0
     outer loop
       vertex -15.75 -38 16
@@ -2477,6 +2512,34 @@ solid OpenSCAD_Model
       vertex -10 -35.592 18.5
     endloop
   endfacet
+  facet normal 0 -1 0
+    outer loop
+      vertex -15.75 -38 9.38422
+      vertex -0.472183 -38 4.05388
+      vertex -0.679108 -38 4.50697
+    endloop
+  endfacet
+  facet normal 0 -1 0
+    outer loop
+      vertex -15.75 -38 9.38422
+      vertex -0.679108 -38 4.50697
+      vertex -0.75 -38 5
+    endloop
+  endfacet
+  facet normal 0 -1 0
+    outer loop
+      vertex -15.75 -38 9.38422
+      vertex -0.679108 -38 5.49303
+      vertex -2.5 -38 12.01
+    endloop
+  endfacet
+  facet normal 0 -1 0
+    outer loop
+      vertex -15.75 -38 9.38422
+      vertex -0.75 -38 5
+      vertex -0.679108 -38 5.49303
+    endloop
+  endfacet
   facet normal -1 0 0
     outer loop
       vertex -15.75 -38 9.38422
@@ -2536,14 +2599,7 @@ solid OpenSCAD_Model
   facet normal 0 -1 0
     outer loop
       vertex -15.75 -38 9.38422
-      vertex -2.5 -38 0.0100002
-      vertex -2.5 -38 18.5
-    endloop
-  endfacet
-  facet normal 0 -1 0
-    outer loop
-      vertex -15.75 -38 9.38422
-      vertex -2.5 -38 18.5
+      vertex -2.5 -38 12.01
       vertex -15.75 -38 16
     endloop
   endfacet
@@ -2799,34 +2855,6 @@ solid OpenSCAD_Model
       vertex -17.015 15.7341 2
     endloop
   endfacet
-  facet normal 0 -1 0
-    outer loop
-      vertex -17.5 -38 0.0100002
-      vertex -15.75 -38 9.38422
-      vertex -17.5 -38 8
-    endloop
-  endfacet
-  facet normal 0 -1 -0
-    outer loop
-      vertex -17.5 -38 0.0100002
-      vertex -2.5 -38 0.0100002
-      vertex -15.75 -38 9.38422
-    endloop
-  endfacet
-  facet normal 0 0 0
-    outer loop
-      vertex -17.5 -38 0.0100002
-      vertex 49.5 -38 0.0100002
-      vertex -2.5 -38 0.0100002
-    endloop
-  endfacet
-  facet normal 0 -1 0
-    outer loop
-      vertex -17.5 -38 0.0100002
-      vertex 54 -38 0
-      vertex 49.5 -38 0.0100002
-    endloop
-  endfacet
   facet normal 0.878217 0.478262 0
     outer loop
       vertex -17.5048 -15.1694 0
@@ -2964,7 +2992,7 @@ solid OpenSCAD_Model
     outer loop
       vertex -17.8949 -18 8
       vertex -15.75 -18 9.38423
-      vertex -2.505 -18 8
+      vertex -13 -18 8
     endloop
   endfacet
   facet normal 0 0 1
@@ -2981,13 +3009,6 @@ solid OpenSCAD_Model
       vertex -16.6653 -16.4009 8
     endloop
   endfacet
-  facet normal 0 0 0
-    outer loop
-      vertex -17.8949 -18 8
-      vertex -2.505 -18 8
-      vertex -13 -18 8
-    endloop
-  endfacet
   facet normal 0.980171 0.198153 0
     outer loop
       vertex -17.9442 -13.7452 0
@@ -3247,48 +3268,6 @@ solid OpenSCAD_Model
       vertex -16.6653 13.4009 8
     endloop
   endfacet
-  facet normal 0 0 1
-    outer loop
-      vertex -18.3623 14.4995 8
-      vertex -17.2664 12.6072 8
-      vertex -16.9857 13.019 8
-    endloop
-  endfacet
-  facet normal 0 0 1
-    outer loop
-      vertex -18.3623 14.4995 8
-      vertex -17.5048 12.1694 8
-      vertex -17.2664 12.6072 8
-    endloop
-  endfacet
-  facet normal 0 0 1
-    outer loop
-      vertex -18.3623 14.4995 8
-      vertex -17.6985 11.7101 8
-      vertex -17.5048 12.1694 8
-    endloop
-  endfacet
-  facet normal 0 0 1
-    outer loop
-      vertex -18.3623 14.4995 8
-      vertex -17.8454 11.2338 8
-      vertex -17.6985 11.7101 8
-    endloop
-  endfacet
-  facet normal 0 0 1
-    outer loop
-      vertex -18.3623 14.4995 8
-      vertex -17.9442 10.7452 8
-      vertex -17.8454 11.2338 8
-    endloop
-  endfacet
-  facet normal 0 0 1
-    outer loop
-      vertex -18.3623 14.4995 8
-      vertex -17.9938 10.2492 8
-      vertex -17.9442 10.7452 8
-    endloop
-  endfacet
   facet normal -0.793358 -0.608755 0
     outer loop
       vertex -18.7341 -17.015 2
@@ -3331,6 +3310,20 @@ solid OpenSCAD_Model
       vertex -18.3623 14.4995 8
     endloop
   endfacet
+  facet normal -0 0 1
+    outer loop
+      vertex -18.7341 14.015 8
+      vertex -16.9857 13.019 8
+      vertex -18.3623 14.4995 8
+    endloop
+  endfacet
+  facet normal 0 0 1
+    outer loop
+      vertex -18.7341 14.015 8
+      vertex -17.2664 12.6072 8
+      vertex -16.9857 13.019 8
+    endloop
+  endfacet
   facet normal -0.843392 -0.537299 0
     outer loop
       vertex -19.0622 -16.5 2
@@ -3373,6 +3366,20 @@ solid OpenSCAD_Model
       vertex -18.7341 14.015 8
     endloop
   endfacet
+  facet normal -0 0 1
+    outer loop
+      vertex -19.0622 13.5 8
+      vertex -17.2664 12.6072 8
+      vertex -18.7341 14.015 8
+    endloop
+  endfacet
+  facet normal 0 0 1
+    outer loop
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       vertex 32.75 -38 5
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diff --git a/dibond/stls/x_carriage_fan_bracket.stl b/dibond/stls/x_carriage_fan_bracket.stl
index 638af60..117fa41 100644
--- a/dibond/stls/x_carriage_fan_bracket.stl
+++ b/dibond/stls/x_carriage_fan_bracket.stl
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diff --git a/dibond/stls/x_carriage_fan_duct.stl b/dibond/stls/x_carriage_fan_duct.stl
index fe442c9..080234f 100644
--- a/dibond/stls/x_carriage_fan_duct.stl
+++ b/dibond/stls/x_carriage_fan_duct.stl
@@ -17674,7 +17674,7 @@ solid OpenSCAD_Model
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+  facet normal -0.0436117 -0.999049 -9.4977e-007
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diff --git a/dibond/stls/x_end_clamp.stl b/dibond/stls/x_end_clamp.stl
index 83941fd..99384ff 100644
--- a/dibond/stls/x_end_clamp.stl
+++ b/dibond/stls/x_end_clamp.stl
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   facet normal -1 0 0
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       vertex -5.705 -5.05536 4.8
       vertex -5.705 -3.83356 6.54613
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       vertex -5.705 5.05536 4.8
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       vertex -5.705 5.05536 4.8
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       vertex -5.705 5.05536 4.8
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   endfacet
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   facet normal -1 0 0
     outer loop
       vertex -5.705 3.37422 5.67094
-      vertex -5.705 3.63036 6.09463
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@@ -1476,14 +1413,14 @@ solid OpenSCAD_Model
       vertex -5.705 5.05536 4.8
     endloop
   endfacet
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+  facet normal 0 -0.954722 0.297499
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       vertex 5.705 3.98085 7.01881
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       vertex 5.705 3.98085 7.01881
@@ -1497,7 +1434,7 @@ solid OpenSCAD_Model
       vertex -5.705 5.05536 7.6
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   endfacet
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       vertex 5.705 3.98085 7.01881
@@ -1518,14 +1455,14 @@ solid OpenSCAD_Model
       vertex -5.705 5.05536 7.6
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   endfacet
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       vertex 5.705 4.0758 7.6
@@ -1865,13 +1802,13 @@ solid OpenSCAD_Model
     outer loop
       vertex -8.995 -4.73618 4.8
       vertex -8.995 -3.37422 5.67094
-      vertex -8.995 -3.63036 6.09463
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       vertex -8.995 -4.73618 4.8
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@@ -1896,17 +1833,10 @@ solid OpenSCAD_Model
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@@ -1949,12 +1879,12 @@ solid OpenSCAD_Model
     outer loop
       vertex -8.995 3.37422 5.67094
       vertex -8.995 4.73618 4.8
-      vertex -8.995 3.63036 6.09463
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@@ -2246,18 +2176,11 @@ solid OpenSCAD_Model
       vertex 13 6.65 0
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   facet normal 1 0 0
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       vertex 13 6.65 0
-      vertex 13 -0.485035 3.92935
+      vertex 13 0 3.90001
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@@ -2362,26 +2285,19 @@ solid OpenSCAD_Model
     outer loop
       vertex 13 0 3.90001
       vertex 13 6.65 0
-      vertex 13 0.0091516 3.90056
+      vertex 13 0.494186 3.9299
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-      vertex 13 0.0091516 3.90056
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       vertex 13 6.65 0
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-      vertex 13 0.981185 4.01915
+      vertex 13 0.981186 4.01915
       vertex 13 6.65 0
       vertex 13 1.45387 4.16644
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@@ -2397,19 +2313,19 @@ solid OpenSCAD_Model
     outer loop
       vertex 13 1.90536 4.36964
       vertex 13 6.65 0
-      vertex 13 2.32905 4.62578
+      vertex 13 2.32906 4.62578
     endloop
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       vertex 13 6.65 0
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-      vertex 13 2.71879 4.93111
+      vertex 13 2.7188 4.93111
       vertex 13 6.65 0
       vertex 13 3.06889 5.2812
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@@ -2432,12 +2348,12 @@ solid OpenSCAD_Model
     outer loop
       vertex 13 3.37422 5.67094
       vertex 13 6.65 7.6
-      vertex 13 3.63035 6.09464
+      vertex 13 3.63036 6.09464
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-      vertex 13 3.63035 6.09464
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       vertex 13 6.65 7.6
       vertex 13 3.83356 6.54613
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@@ -2628,13 +2544,13 @@ solid OpenSCAD_Model
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       vertex 5.705 -4.73618 4.8
       vertex 5.705 -3.37422 5.67094
-      vertex 5.705 -3.63036 6.09463
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       vertex 5.705 -4.73618 4.8
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@@ -2680,10 +2596,10 @@ solid OpenSCAD_Model
       vertex 5.705 -4.0758 7.6
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   endfacet
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+  facet normal 0 -0.616702 0.787197
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@@ -2726,12 +2642,12 @@ solid OpenSCAD_Model
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       vertex 5.705 3.37422 5.67094
       vertex 5.705 4.73618 4.8
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@@ -3065,84 +2981,84 @@ solid OpenSCAD_Model
       vertex 13 -2.32906 4.62578
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       vertex 8.995 -2.7188 4.93111
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+  facet normal 0 0.983619 0.18026
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@@ -3156,21 +3072,21 @@ solid OpenSCAD_Model
       vertex 13 -3.98085 7.01881
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+  facet normal 0 0.998176 0.0603791
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-  facet normal 0 0 1
+  facet normal -0 0 1
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       vertex 9.28136 -5.65 7.6
@@ -3261,17 +3177,17 @@ solid OpenSCAD_Model
       vertex 8.995 -4.0758 7.6
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   endfacet
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+  facet normal -1.58849e-008 -0.616702 0.787197
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-      vertex 13 2.32905 4.62578
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@@ -3282,10 +3198,17 @@ solid OpenSCAD_Model
       vertex 8.995 5.05536 4.8
     endloop
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+  facet normal 0 -0.707107 0.707107
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       vertex 8.995 2.7188 4.93111
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+      vertex 13 2.7188 4.93111
+      vertex 13 3.06889 5.2812
+    endloop
+  endfacet
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@@ -3296,21 +3219,14 @@ solid OpenSCAD_Model
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-  endfacet
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+  facet normal 0 -0.787197 0.616702
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+  facet normal 0 -0.787197 0.616702
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@@ -3324,17 +3240,17 @@ solid OpenSCAD_Model
       vertex 8.995 5.05536 4.8
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+  facet normal 0 -0.855778 0.517344
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@@ -3345,14 +3261,14 @@ solid OpenSCAD_Model
       vertex 8.995 5.05536 4.8
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@@ -3366,14 +3282,14 @@ solid OpenSCAD_Model
       vertex 8.995 5.05536 4.8
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+  facet normal 0 -0.954722 0.297499
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+  facet normal 0 -0.954722 0.297499
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@@ -3394,7 +3310,7 @@ solid OpenSCAD_Model
       vertex 8.995 5.05536 4.8
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diff --git a/dibond/stls/x_idler_bracket.stl b/dibond/stls/x_idler_bracket.stl
index 5508c84..b3e6d7d 100644
--- a/dibond/stls/x_idler_bracket.stl
+++ b/dibond/stls/x_idler_bracket.stl
@@ -1266,18 +1266,11 @@ solid OpenSCAD_Model
       vertex -11.0798 -24.2329 3.39
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   endfacet
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@@ -17699,21 +17083,21 @@ solid OpenSCAD_Model
     outer loop
       vertex -9.005 22.9446 8
       vertex -9.005 23.9299 7.50581
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@@ -17723,44 +17107,30 @@ solid OpenSCAD_Model
       vertex -5 23.9 8
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   endfacet
-  facet normal -3.4615e-007 0.998176 0.0603779
+  facet normal 0 0.983619 0.18026
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       vertex -9.005 23.9299 7.50581
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+      vertex -9.005 24.0191 7.01881
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       vertex -9.005 24.1664 6.54613
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@@ -17783,66 +17153,66 @@ solid OpenSCAD_Model
     outer loop
       vertex -9.005 24.3696 6.09464
       vertex -5 24.3696 6.09464
-      vertex -5 24.6258 5.67095
+      vertex -5 24.6258 5.67094
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       vertex -9.005 24.3696 6.09464
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       vertex -5 25.2812 4.93111
       vertex -9.005 25.2812 4.93111
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       vertex -5 25.6709 4.62578
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+  facet normal 0 -0.616701 0.787197
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@@ -17860,61 +17230,61 @@ solid OpenSCAD_Model
     outer loop
       vertex -9.005 30.7188 4.93111
       vertex -5 30.7188 4.93111
-      vertex -5 31.0689 5.28121
+      vertex -5 31.0689 5.2812
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     outer loop
       vertex -9.005 30.7188 4.93111
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-      vertex -9.005 31.0689 5.28121
+      vertex -5 31.0689 5.2812
+      vertex -9.005 31.0689 5.2812
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   endfacet
   facet normal -1 0 0
     outer loop
       vertex -9.005 30.7188 4.93111
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       vertex -9.005 33.0554 4.8
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-      vertex -5 31.0689 5.28121
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   facet normal -1 0 0
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@@ -17944,110 +17314,68 @@ solid OpenSCAD_Model
     outer loop
       vertex -9.005 31.8336 6.54613
       vertex -5 31.8336 6.54613
-      vertex -5 31.9809 7.01882
+      vertex -5 31.9809 7.01881
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+  facet normal 0 -0.998176 0.0603769
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diff --git a/dibond/stls/x_motor_bracket.stl b/dibond/stls/x_motor_bracket.stl
index 8e2ba95..4ecf809 100644
--- a/dibond/stls/x_motor_bracket.stl
+++ b/dibond/stls/x_motor_bracket.stl
@@ -1676,7 +1676,7 @@ solid OpenSCAD_Model
     outer loop
       vertex -7.49 -10.8 16.2
       vertex 5 -10.8 0.0129591
-      vertex 5 -10.806 0.0129591
+      vertex 5 -18.2716 0.0129591
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@@ -1767,7 +1767,7 @@ solid OpenSCAD_Model
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       vertex -7.49 -18.2716 16.2
       vertex -7.49 -10.8 16.2
-      vertex 5 -10.806 0.0129591
+      vertex 5 -18.2716 0.0129591
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   endfacet
   facet normal -1 0 0
@@ -1791,17 +1791,10 @@ solid OpenSCAD_Model
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-  endfacet
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       vertex -7.49 -18.2716 16.2
-      vertex 5 -18.2716 0.01296
+      vertex 5 -18.2716 0.0129591
       vertex 4.5 -18.2716 8
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@@ -3632,46 +3625,25 @@ solid OpenSCAD_Model
       vertex 12.3901 -23.188 8
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-      vertex 12.295 -23.9213 7.64849
+      vertex 23.705 -23.9 8
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   facet normal -1 0 0
@@ -3807,7 +3779,7 @@ solid OpenSCAD_Model
       vertex 23.705 -24.9311 5.2812
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   endfacet
-  facet normal 0 -0.616703 0.787196
+  facet normal 0 -0.616701 0.787197
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       vertex 23.705 -25.4486 4.8
@@ -3821,7 +3793,7 @@ solid OpenSCAD_Model
       vertex 12.295 -23.2638 4.8
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   endfacet
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+  facet normal 0 -0.616701 0.787197
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       vertex 12.295 -25.4486 4.8
       vertex 23.705 -25.4486 4.8
@@ -3842,14 +3814,14 @@ solid OpenSCAD_Model
       vertex 31 -30.3291 4.62578
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   endfacet
-  facet normal 0 0.616703 0.787196
+  facet normal 0 0.616701 0.787197
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+  facet normal 0 0.616701 0.787197
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       vertex 23.705 -30.7188 4.93111
@@ -3926,53 +3898,18 @@ solid OpenSCAD_Model
       vertex 23.705 -31.8336 6.54613
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   endfacet
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+  facet normal 0 0.983619 0.18026
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@@ -3982,11 +3919,18 @@ solid OpenSCAD_Model
       vertex 23.705 -32.1 8
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-  facet normal 0 0.998176 0.0603694
+  facet normal 0 0.998176 0.0603769
+    outer loop
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@@ -4055,29 +3999,15 @@ solid OpenSCAD_Model
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       vertex 12.295 -32.7362 8
-      vertex 12.295 -32.0443 7.36522
+      vertex 12.295 -32.0701 7.50581
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+      vertex 12.295 -32.0701 7.50581
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   facet normal 0 0 1
@@ -4154,13 +4084,6 @@ solid OpenSCAD_Model
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       vertex 12.295 23.9 8
-      vertex 12.295 23.9086 7.85733
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@@ -4185,34 +4108,20 @@ solid OpenSCAD_Model
       vertex 23.705 23.9 8
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-  facet normal 0 0.998176 0.0603694
+  facet normal 0 0.998176 0.0603769
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diff --git a/dibond/stls/y_bar_clamp.stl b/dibond/stls/y_bar_clamp.stl
index 8741f76..5b97149 100644
--- a/dibond/stls/y_bar_clamp.stl
+++ b/dibond/stls/y_bar_clamp.stl
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@@ -4636,7 +4622,7 @@ solid OpenSCAD_Model
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@@ -4661,34 +4668,13 @@ solid OpenSCAD_Model
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diff --git a/dibond/stls/y_bar_clamp_switch.stl b/dibond/stls/y_bar_clamp_switch.stl
index d4d29c6..0c73c10 100644
--- a/dibond/stls/y_bar_clamp_switch.stl
+++ b/dibond/stls/y_bar_clamp_switch.stl
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+  facet normal 1 0 0
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+  facet normal 1 0 0
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@@ -5763,7 +5728,7 @@ solid OpenSCAD_Model
   facet normal 1 -0 0
     outer loop
       vertex 9 -16.475 2.906
-      vertex 9 -14 9.53674e-007
+      vertex 9 -14 0
       vertex 9 -14.4 6.5
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@@ -5777,10 +5742,31 @@ solid OpenSCAD_Model
   facet normal 1 -0 0
     outer loop
       vertex 9 -20.625 2.906
-      vertex 9 -14 9.53674e-007
+      vertex 9 -14 0
       vertex 9 -16.475 2.906
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   endfacet
+  facet normal 1 0 0
+    outer loop
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+      vertex 9 -14 0
+      vertex 9 -20.625 2.906
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+  endfacet
+  facet normal 1 0 0
+    outer loop
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+      vertex 9 -20.625 2.906
+      vertex 9 -22.7 6.5
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+  endfacet
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+      vertex 9 -22.7 6.5
+      vertex 9 -26 13
+    endloop
+  endfacet
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       vertex 9 -26 13
@@ -5788,34 +5774,13 @@ solid OpenSCAD_Model
       vertex 9 -14 13
     endloop
   endfacet
-  facet normal 1 1.09334e-007 2.02227e-007
+  facet normal 1 0 0
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       vertex 9 -26 13
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-  endfacet
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       vertex 9 13.625 10.094
@@ -5826,106 +5791,92 @@ solid OpenSCAD_Model
   facet normal 1 -0 0
     outer loop
       vertex 9 13.625 2.906
-      vertex 9 19 1.9984e-015
-      vertex 9 14.6611 4.70051
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-  endfacet
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-      vertex 9 19 1.9984e-015
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       vertex 9 15.7 6.5
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   endfacet
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+  facet normal 1 0 0
     outer loop
       vertex 9 15.7 6.5
-      vertex 9 19 1.9984e-015
+      vertex 9 19 0
       vertex 9 19 13
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     outer loop
-      vertex 9 7 1.9984e-015
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       vertex 18.43 7 0.0100002
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+  facet normal 0 1 0
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     outer loop
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+      vertex 9 7 0
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+      vertex 24.4697 -1.599 0
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     outer loop
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-      vertex 24.4697 1.59898 9.53674e-007
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+      vertex 9 7 0
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     outer loop
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-      vertex 9 9.475 2.906
-      vertex 9 7.4 6.5
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-  endfacet
-  facet normal 5.05661e-008 1 1.44373e-013
+  facet normal 0 1 0
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+      vertex 9 7 0
       vertex 9 7 13
       vertex 18.43 7 7.01
-      vertex 18.43 7 6.34196
+    endloop
+  endfacet
+  facet normal 1 0 0
+    outer loop
+      vertex 9 7 0
+      vertex 9 7.4 6.5
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+  endfacet
+  facet normal 1 0 0
+    outer loop
+      vertex 9 7 0
+      vertex 9 9.475 2.906
+      vertex 9 7.4 6.5
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   endfacet
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@@ -5956,14 +5907,14 @@ solid OpenSCAD_Model
       vertex 28.33 7 13
     endloop
   endfacet
-  facet normal 0 1 -7.96055e-008
+  facet normal 0 1 0
     outer loop
       vertex 9 7 13
       vertex 28.33 7 13
       vertex 18.43 7 7.01
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   endfacet
-  facet normal 1 0 0
+  facet normal 1 -0 0
     outer loop
       vertex 9 7 13
       vertex 9 13.625 10.094
@@ -5981,13 +5932,6 @@ solid OpenSCAD_Model
     outer loop
       vertex 9 7 13
       vertex 9 9.475 10.094
-      vertex 9 9.68246 10.094
-    endloop
-  endfacet
-  facet normal 1 0 0
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       vertex 9 13.625 10.094
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diff --git a/dibond/stls/y_bearing_mount.stl b/dibond/stls/y_bearing_mount.stl
index 18cb8d2..51c03b4 100644
--- a/dibond/stls/y_bearing_mount.stl
+++ b/dibond/stls/y_bearing_mount.stl
@@ -1546,7 +1546,7 @@ solid OpenSCAD_Model
       vertex -10 15 7
     endloop
   endfacet
-  facet normal -1.91117e-007 -1 0
+  facet normal 0 -1 0
     outer loop
       vertex -14.99 5 0
       vertex -10 5 8.7738e-007
@@ -1574,7 +1574,7 @@ solid OpenSCAD_Model
       vertex -14.99 5.00467 0
     endloop
   endfacet
-  facet normal -1.90734e-007 -0.999998 -0.00217396
+  facet normal 0 -1 0
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       vertex -9.99 5 0
@@ -1588,7 +1588,7 @@ solid OpenSCAD_Model
       vertex -12.09 7.22872 7
     endloop
   endfacet
-  facet normal -1.91117e-007 -1 0
+  facet normal 0 -1 0
     outer loop
       vertex -14.99 5 7
       vertex -10 5 8.7738e-007
@@ -2395,28 +2395,28 @@ solid OpenSCAD_Model
   endfacet
   facet normal 0 0 -1
     outer loop
-      vertex -19.3811 7.60874 0
+      vertex -19.3811 7.60873 0
       vertex -15.4301 9.16201 0
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-      vertex -19.3811 7.60874 7
+      vertex -19.3811 7.60873 7
       vertex -19.1212 7.18341 7
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@@ -2453,27 +2453,27 @@ solid OpenSCAD_Model
     outer loop
       vertex -19.5974 8.05783 0
       vertex -15.4301 9.16201 0
-      vertex -19.3811 7.60874 0
+      vertex -19.3811 7.60873 0
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       vertex -19.5974 8.05783 7
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-      vertex -19.3811 7.60874 7
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+      vertex -19.3811 7.60873 7
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   endfacet
   facet normal 0 0 1
     outer loop
       vertex -19.5974 8.05783 7
-      vertex -19.3811 7.60874 7
+      vertex -19.3811 7.60873 7
       vertex -16.89 10 7
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@@ -2673,7 +2673,7 @@ solid OpenSCAD_Model
       vertex -19.9651 10.4978 0
     endloop
   endfacet
-  facet normal -0.998756 -0.0498675 0
+  facet normal -0.998756 -0.0498674 0
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@@ -2694,7 +2694,7 @@ solid OpenSCAD_Model
       vertex -19.9651 10.4978 7
     endloop
   endfacet
-  facet normal -0.998756 -0.0498675 0
+  facet normal -0.998756 -0.0498674 0
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diff --git a/dibond/stls/y_idler_bracket.stl b/dibond/stls/y_idler_bracket.stl
index 040ee11..a2aacb8 100644
--- a/dibond/stls/y_idler_bracket.stl
+++ b/dibond/stls/y_idler_bracket.stl
@@ -97,67 +97,67 @@ solid OpenSCAD_Model
       vertex -7.2 -9.01067 26.7593
     endloop
   endfacet
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+  facet normal 0 0.0541224 0.998534
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       vertex -10.195 0.124512 18.1534
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-      vertex -7.2 -0.372085 18.1803
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+      vertex -10.195 -0.952698 22.75
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@@ -174,49 +174,49 @@ solid OpenSCAD_Model
       vertex -7.2 -0.958713 31.4081
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   endfacet
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+  facet normal 0 0.468415 0.883509
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       vertex -7.2 -1.66978 18.8683
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@@ -230,14 +230,14 @@ solid OpenSCAD_Model
       vertex -10.195 -1.62215 22.0721
     endloop
   endfacet
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+  facet normal 0 0.647266 -0.762265
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@@ -248,7 +248,7 @@ solid OpenSCAD_Model
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       vertex -10.195 -1.91013 31.2829
       vertex -10.195 -0.958713 31.4081
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@@ -265,91 +265,91 @@ solid OpenSCAD_Model
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   facet normal 1 -0 0
     outer loop
       vertex -7.2 -1.91013 31.2829
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     outer loop
       vertex -7.2 -10.995 20.5646
       vertex -7.2 -2.28651 20.6987
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       vertex -7.2 -10.995 5
       vertex -7.2 0 5
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   facet normal 1 -0 0
     outer loop
       vertex -7.2 -2.84701 31.0752
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     outer loop
       vertex -7.2 -7.07066 28.8765
       vertex -7.2 -1.62634 22.0763
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     outer loop
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       vertex -7.2 3.76221 5.66339
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   facet normal -0.239317 0.970941 0
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       vertex 8.19499 -10.995 0
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+  facet normal 0 -0.999048 0.0436196
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       vertex -8.5 13.9646 31.45
       vertex -8.5 14 31.45
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   endfacet
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   endfacet
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+  endfacet
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   endfacet
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+  facet normal -0.239318 -0.970941 -1.50536e-007
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@@ -3186,30 +3074,16 @@ solid OpenSCAD_Model
   endfacet
   facet normal 1 -0 0
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       vertex 10.195 -8.995 0
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+      vertex 10.195 0.124512 18.1534
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       vertex 10.195 -8.995 0
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+      vertex 10.195 0.124512 18.1534
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       vertex 10.195 0 31.45
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@@ -3419,33 +3293,33 @@ solid OpenSCAD_Model
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       vertex 10.195 11.995 0
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@@ -3597,6 +3429,27 @@ solid OpenSCAD_Model
       vertex 6.5 24.9754 9.05018
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+  endfacet
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diff --git a/dibond/stls/y_motor_bracket.stl b/dibond/stls/y_motor_bracket.stl
index 21941cf..0bdbd42 100644
--- a/dibond/stls/y_motor_bracket.stl
+++ b/dibond/stls/y_motor_bracket.stl
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diff --git a/dibond/stls/z_bar_clamp.stl b/dibond/stls/z_bar_clamp.stl
index 11d187c..4a8dc80 100644
--- a/dibond/stls/z_bar_clamp.stl
+++ b/dibond/stls/z_bar_clamp.stl
@@ -1,1065 +1,1520 @@
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diff --git a/dibond/stls/z_coupling.stl b/dibond/stls/z_coupling.stl
index b2d10bf..7c2fb15 100644
--- a/dibond/stls/z_coupling.stl
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       vertex 1 -3.4157 6.78606
@@ -3191,24 +2575,10 @@ solid OpenSCAD_Model
       vertex 5.85 -3.4157 6.78606
     endloop
   endfacet
-  facet normal 1 4.70388e-006 6.46534e-007
+  facet normal 1 0 0
     outer loop
       vertex 1 -3.61655 7.75262
       vertex 1 -3.54918 7.26247
-      vertex 1 -3.54918 8
-    endloop
-  endfacet
-  facet normal 1 4.72601e-006 6.40508e-007
-    outer loop
-      vertex 1 -3.61655 7.75262
-      vertex 1 -3.54918 8
-      vertex 1 -3.59963 8
-    endloop
-  endfacet
-  facet normal 1 1.40899e-005 0
-    outer loop
-      vertex 1 -3.61655 7.75262
-      vertex 1 -3.59963 8
       vertex 1 -3.61655 8
     endloop
   endfacet
@@ -3233,6 +2603,20 @@ solid OpenSCAD_Model
       vertex 5.85 -3.54918 7.26247
     endloop
   endfacet
+  facet normal 1 -0 0
+    outer loop
+      vertex 1 -3.61655 8
+      vertex 1 -3.4157 6.78606
+      vertex 1 3.61655 8
+    endloop
+  endfacet
+  facet normal 1 0 0
+    outer loop
+      vertex 1 -3.61655 8
+      vertex 1 -3.54918 7.26247
+      vertex 1 -3.4157 6.78606
+    endloop
+  endfacet
   facet normal 0 0 1
     outer loop
       vertex 1 -3.61655 8
@@ -3261,6 +2645,13 @@ solid OpenSCAD_Model
       vertex 5.61706 -5.95477 8
     endloop
   endfacet
+  facet normal 1 0 0
+    outer loop
+      vertex 1 0 4.375
+      vertex 1 0.493604 4.40876
+      vertex 1 3.61655 8
+    endloop
+  endfacet
   facet normal -0 0.0682414 0.997669
     outer loop
       vertex 1 0 4.375
@@ -3275,6 +2666,13 @@ solid OpenSCAD_Model
       vertex 1 0.493604 4.40876
     endloop
   endfacet
+  facet normal 1 0 0
+    outer loop
+      vertex 1 0.493604 4.40876
+      vertex 1 0.978013 4.50942
+      vertex 1 3.61655 8
+    endloop
+  endfacet
   facet normal 0 -0.0682414 0.997669
     outer loop
       vertex 1 0.493604 4.40876
@@ -3289,6 +2687,13 @@ solid OpenSCAD_Model
       vertex 1 0.978013 4.50942
     endloop
   endfacet
+  facet normal 1 0 0
+    outer loop
+      vertex 1 0.978013 4.50942
+      vertex 1 1.4442 4.67511
+      vertex 1 3.61655 8
+    endloop
+  endfacet
   facet normal 0 -0.203456 0.979084
     outer loop
       vertex 1 0.978013 4.50942
@@ -3303,6 +2708,13 @@ solid OpenSCAD_Model
       vertex 1 1.4442 4.67511
     endloop
   endfacet
+  facet normal 1 0 0
+    outer loop
+      vertex 1 1.4442 4.67511
+      vertex 1 1.88349 4.90273
+      vertex 1 3.61655 8
+    endloop
+  endfacet
   facet normal 0 -0.334881 0.942261
     outer loop
       vertex 1 1.4442 4.67511
@@ -3317,6 +2729,13 @@ solid OpenSCAD_Model
       vertex 1 1.88349 4.90273
     endloop
   endfacet
+  facet normal 1 0 0
+    outer loop
+      vertex 1 1.88349 4.90273
+      vertex 1 2.28769 5.18805
+      vertex 1 3.61655 8
+    endloop
+  endfacet
   facet normal 0 -0.460064 0.887886
     outer loop
       vertex 1 1.88349 4.90273
@@ -3331,6 +2750,13 @@ solid OpenSCAD_Model
       vertex 1 2.28769 5.18805
     endloop
   endfacet
+  facet normal 1 0 0
+    outer loop
+      vertex 1 2.28769 5.18805
+      vertex 1 2.64928 5.52574
+      vertex 1 3.61655 8
+    endloop
+  endfacet
   facet normal 0 -0.576681 0.816969
     outer loop
       vertex 1 2.28769 5.18805
@@ -3345,6 +2771,13 @@ solid OpenSCAD_Model
       vertex 1 2.64928 5.52574
     endloop
   endfacet
+  facet normal 1 0 0
+    outer loop
+      vertex 1 2.64928 5.52574
+      vertex 1 2.96152 5.90953
+      vertex 1 3.61655 8
+    endloop
+  endfacet
   facet normal 0 -0.682553 0.730836
     outer loop
       vertex 1 2.64928 5.52574
@@ -3366,6 +2799,13 @@ solid OpenSCAD_Model
       vertex 1 2.96152 5.90953
     endloop
   endfacet
+  facet normal 1 0 0
+    outer loop
+      vertex 1 2.96152 5.90953
+      vertex 1 3.21858 6.33226
+      vertex 1 3.61655 8
+    endloop
+  endfacet
   facet normal 0 -0.85442 0.519583
     outer loop
       vertex 1 2.96152 5.90953
@@ -3380,6 +2820,13 @@ solid OpenSCAD_Model
       vertex 1 3.21858 6.33226
     endloop
   endfacet
+  facet normal 1 0 0
+    outer loop
+      vertex 1 3.21858 6.33226
+      vertex 1 3.4157 6.78606
+      vertex 1 3.61655 8
+    endloop
+  endfacet
   facet normal 0 -0.917211 0.398401
     outer loop
       vertex 1 3.21858 6.33226
@@ -3394,6 +2841,13 @@ solid OpenSCAD_Model
       vertex 1 3.4157 6.78606
     endloop
   endfacet
+  facet normal 1 0 0
+    outer loop
+      vertex 1 3.4157 6.78606
+      vertex 1 3.54918 7.26247
+      vertex 1 3.61655 8
+    endloop
+  endfacet
   facet normal 0 -0.962917 0.269797
     outer loop
       vertex 1 3.4157 6.78606
@@ -3408,11 +2862,11 @@ solid OpenSCAD_Model
       vertex 1 3.54918 7.26247
     endloop
   endfacet
-  facet normal 1 -4.70388e-006 6.46534e-007
+  facet normal 1 0 0
     outer loop
       vertex 1 3.54918 7.26247
       vertex 1 3.61655 7.75262
-      vertex 1 3.54918 8
+      vertex 1 3.61655 8
     endloop
   endfacet
   facet normal 0 -0.990686 0.136167
@@ -3429,20 +2883,6 @@ solid OpenSCAD_Model
       vertex 1 3.61655 7.75262
     endloop
   endfacet
-  facet normal 1 -4.72601e-006 6.40508e-007
-    outer loop
-      vertex 1 3.54918 8
-      vertex 1 3.61655 7.75262
-      vertex 1 3.59963 8
-    endloop
-  endfacet
-  facet normal 1 -1.40899e-005 0
-    outer loop
-      vertex 1 3.59963 8
-      vertex 1 3.61655 7.75262
-      vertex 1 3.61655 8
-    endloop
-  endfacet
   facet normal 0 -1 -0
     outer loop
       vertex 1 3.61655 7.75262
diff --git a/dibond/stls/z_motor_bracket_lhs.stl b/dibond/stls/z_motor_bracket_lhs.stl
index d36dc5f..cbe4a6d 100644
--- a/dibond/stls/z_motor_bracket_lhs.stl
+++ b/dibond/stls/z_motor_bracket_lhs.stl
@@ -62,7 +62,7 @@ solid OpenSCAD_Model
       vertex -9.16402 6.65805 4
     endloop
   endfacet
-  facet normal -1 -4.82139e-008 4.77317e-008
+  facet normal -1 0 0
     outer loop
       vertex -10.5 11.2199 4
       vertex -10.5 31 23.9799
@@ -76,7 +76,7 @@ solid OpenSCAD_Model
       vertex -6.5 23.99 16.8991
     endloop
   endfacet
-  facet normal 2.32863e-007 -0.710651 0.703544
+  facet normal 2.49808e-007 -0.710651 0.703544
     outer loop
       vertex -10.5 11.2199 4
       vertex -6.5 23.99 16.8991
@@ -398,7 +398,7 @@ solid OpenSCAD_Model
       vertex -10.5 31 23.9799
     endloop
   endfacet
-  facet normal -0.866025 -2.38419e-007 -0.5
+  facet normal -0.866025 -0 -0.5
     outer loop
       vertex -12.975 31 17.594
       vertex -12.975 35 17.594
@@ -1658,7 +1658,7 @@ solid OpenSCAD_Model
       vertex -16.6247 31 23.9984
     endloop
   endfacet
-  facet normal -0.0747312 -2.11335e-007 0.997204
+  facet normal -0.0747274 0 0.997204
     outer loop
       vertex -17.1217 31 23.9612
       vertex -16.6247 31 23.9984
@@ -1700,7 +1700,7 @@ solid OpenSCAD_Model
       vertex -16.495 31 23.9952
     endloop
   endfacet
-  facet normal 0 -4.76837e-007 -1
+  facet normal 0 0 -1
     outer loop
       vertex -17.125 31 17.594
       vertex -12.975 35 17.594
@@ -1714,7 +1714,7 @@ solid OpenSCAD_Model
       vertex -17.1217 31 23.9612
     endloop
   endfacet
-  facet normal -0 -4.76837e-007 -1
+  facet normal -0 0 -1
     outer loop
       vertex -17.125 31 17.594
       vertex -17.125 35 17.594
@@ -1840,20 +1840,6 @@ solid OpenSCAD_Model
       vertex -17.2401 -14.662 4
     endloop
   endfacet
-  facet normal 0 0 1
-    outer loop
-      vertex -17.2401 -14.662 4
-      vertex -11.2998 -0.790155 4
-      vertex -17.2401 14.662 4
-    endloop
-  endfacet
-  facet normal 0 0 1
-    outer loop
-      vertex -17.2401 -14.662 4
-      vertex -15.9298 -13.6171 4
-      vertex -11.2998 -0.790155 4
-    endloop
-  endfacet
   facet normal 1 0 0
     outer loop
       vertex -17.2401 -16.338 0
@@ -1903,13 +1889,6 @@ solid OpenSCAD_Model
       vertex -17.2401 14.662 4
     endloop
   endfacet
-  facet normal 0 0 1
-    outer loop
-      vertex -17.2401 14.662 4
-      vertex -11.2998 -0.790155 4
-      vertex -11.2998 0.790155 4
-    endloop
-  endfacet
   facet normal 0 0 1
     outer loop
       vertex -17.2401 14.662 4
@@ -2008,13 +1987,6 @@ solid OpenSCAD_Model
       vertex -17.6126 -21.3746 4
     endloop
   endfacet
-  facet normal 0 0 1
-    outer loop
-      vertex -17.6126 -21.3746 4
-      vertex -15.9298 -17.3829 4
-      vertex -17.2401 -16.338 4
-    endloop
-  endfacet
   facet normal 0 0 1
     outer loop
       vertex -17.6126 -21.3746 4
@@ -2022,7 +1994,7 @@ solid OpenSCAD_Model
       vertex -15.9298 -17.3829 4
     endloop
   endfacet
-  facet normal -0.173646 0 0.984808
+  facet normal -0.17365 0 0.984807
     outer loop
       vertex -17.6126 31 23.8746
       vertex -17.1217 31 23.9612
@@ -2036,7 +2008,7 @@ solid OpenSCAD_Model
       vertex -17.1217 31 23.9612
     endloop
   endfacet
-  facet normal -0.17365 -2.08708e-007 0.984807
+  facet normal -0.17365 0 0.984807
     outer loop
       vertex -17.6126 40 23.8746
       vertex -17.1217 31 23.9612
@@ -2075,7 +2047,7 @@ solid OpenSCAD_Model
     outer loop
       vertex -18.0924 -21.2396 4
       vertex -17.6126 -21.3746 4
-      vertex -17.2401 -16.338 4
+      vertex -15.9298 -17.3829 4
     endloop
   endfacet
   facet normal 0 -1 0
@@ -2117,7 +2089,7 @@ solid OpenSCAD_Model
     outer loop
       vertex -18.5564 -21.0575 4
       vertex -18.0924 -21.2396 4
-      vertex -17.2401 -16.338 4
+      vertex -15.9298 -17.3829 4
     endloop
   endfacet
   facet normal 0 -1 0
@@ -2127,7 +2099,7 @@ solid OpenSCAD_Model
       vertex -18.0924 31 23.7396
     endloop
   endfacet
-  facet normal -0.365343 -1.97278e-007 0.930873
+  facet normal -0.36534 0 0.930874
     outer loop
       vertex -18.5564 31 23.5575
       vertex -18.0924 31 23.7396
@@ -2159,7 +2131,7 @@ solid OpenSCAD_Model
     outer loop
       vertex -19 -20.8301 4
       vertex -18.5564 -21.0575 4
-      vertex -17.2401 -16.338 4
+      vertex -15.9298 -17.3829 4
     endloop
   endfacet
   facet normal 0 -1 0
@@ -2169,14 +2141,14 @@ solid OpenSCAD_Model
       vertex -18.5564 31 23.5575
     endloop
   endfacet
-  facet normal -0.456209 -1.88589e-007 0.889873
+  facet normal -0.456209 0 0.889873
     outer loop
       vertex -19 31 23.3301
       vertex -18.5564 31 23.5575
       vertex -19 40 23.3301
     endloop
   endfacet
-  facet normal -0.456209 -1.88589e-007 0.889873
+  facet normal -0.456209 0 0.889873
     outer loop
       vertex -19 40 23.3301
       vertex -18.5564 31 23.5575
@@ -2225,7 +2197,7 @@ solid OpenSCAD_Model
       vertex -17.0208 35 12.8142
     endloop
   endfacet
-  facet normal 0.866025 -2.38419e-007 -0.5
+  facet normal 0.866026 0 -0.5
     outer loop
       vertex -19.2 35 14
       vertex -17.125 35 17.594
@@ -2277,10 +2249,17 @@ solid OpenSCAD_Model
   facet normal 0 0 1
     outer loop
       vertex -19.4187 -20.5597 4
-      vertex -19 -20.8301 4
+      vertex -15.9298 -17.3829 4
       vertex -17.2401 -16.338 4
     endloop
   endfacet
+  facet normal 0 0 1
+    outer loop
+      vertex -19.4187 -20.5597 4
+      vertex -19 -20.8301 4
+      vertex -15.9298 -17.3829 4
+    endloop
+  endfacet
   facet normal 0 -1 0
     outer loop
       vertex -19.4187 31 23.0597
@@ -2288,14 +2267,14 @@ solid OpenSCAD_Model
       vertex -19 31 23.3301
     endloop
   endfacet
-  facet normal -0.542547 0 0.840026
+  facet normal -0.542549 0 0.840024
     outer loop
       vertex -19.4187 31 23.0597
       vertex -19 31 23.3301
       vertex -19.4187 40 23.0597
     endloop
   endfacet
-  facet normal -0.542549 -1.78024e-007 0.840024
+  facet normal -0.542549 0 0.840024
     outer loop
       vertex -19.4187 40 23.0597
       vertex -19 31 23.3301
@@ -2568,14 +2547,14 @@ solid OpenSCAD_Model
       vertex -21.0048 31 21.1694
     endloop
   endfacet
-  facet normal -0.921476 0 0.388435
+  facet normal -0.921476 0 0.388436
     outer loop
       vertex -21.1985 31 20.7101
       vertex -21.0048 31 21.1694
       vertex -21.0048 40 21.1694
     endloop
   endfacet
-  facet normal -0.921476 -8.23203e-008 0.388436
+  facet normal -0.921476 0 0.388436
     outer loop
       vertex -21.1985 31 20.7101
       vertex -21.0048 40 21.1694
@@ -2610,7 +2589,7 @@ solid OpenSCAD_Model
       vertex -21.1985 31 20.7101
     endloop
   endfacet
-  facet normal -0.955573 -6.24668e-008 0.294755
+  facet normal -0.955573 0 0.294754
     outer loop
       vertex -21.3454 31 20.2338
       vertex -21.1985 31 20.7101
@@ -2652,14 +2631,14 @@ solid OpenSCAD_Model
       vertex -21.3454 31 20.2338
     endloop
   endfacet
-  facet normal -0.980173 0 0.198143
+  facet normal -0.980173 0 0.198144
     outer loop
       vertex -21.4442 31 19.7452
       vertex -21.3454 31 20.2338
       vertex -21.3454 40 20.2338
     endloop
   endfacet
-  facet normal -0.980173 -4.19921e-008 0.198144
+  facet normal -0.980173 0 0.198144
     outer loop
       vertex -21.4442 31 19.7452
       vertex -21.3454 40 20.2338
@@ -2848,7 +2827,7 @@ solid OpenSCAD_Model
       vertex -21.4442 31 19.7452
     endloop
   endfacet
-  facet normal -0.995031 -2.11015e-008 0.0995693
+  facet normal -0.995031 0 0.0995689
     outer loop
       vertex -21.4938 31 19.2492
       vertex -21.4442 31 19.7452
@@ -3110,10 +3089,31 @@ solid OpenSCAD_Model
   facet normal 0 0 1
     outer loop
       vertex -21.5 -16.495 4
-      vertex -17.2401 -14.662 4
+      vertex -11.2998 -0.790155 4
+      vertex -11.2998 0.790155 4
+    endloop
+  endfacet
+  facet normal 0 0 1
+    outer loop
+      vertex -21.5 -16.495 4
+      vertex -11.2998 0.790155 4
       vertex -17.2401 14.662 4
     endloop
   endfacet
+  facet normal 0 0 1
+    outer loop
+      vertex -21.5 -16.495 4
+      vertex -15.9298 -13.6171 4
+      vertex -11.2998 -0.790155 4
+    endloop
+  endfacet
+  facet normal 0 0 1
+    outer loop
+      vertex -21.5 -16.495 4
+      vertex -17.2401 -14.662 4
+      vertex -15.9298 -13.6171 4
+    endloop
+  endfacet
   facet normal 0 0 1
     outer loop
       vertex -21.5 -16.495 4
@@ -3821,7 +3821,7 @@ solid OpenSCAD_Model
       vertex -6.5 23.99 4
     endloop
   endfacet
-  facet normal 1 3.73402e-008 -3.69668e-008
+  facet normal 1 0 0
     outer loop
       vertex -6.5 11.2199 4
       vertex -6.5 23.99 4
@@ -3835,14 +3835,7 @@ solid OpenSCAD_Model
       vertex -6.45195 23.5023 0
     endloop
   endfacet
-  facet normal 0.992278 0.124035 0
-    outer loop
-      vertex -6.5 23.99 0
-      vertex -6.5 23.99 16.8991
-      vertex -6.5 23.99 4
-    endloop
-  endfacet
-  facet normal 0.995182 0.0980453 -2.51317e-008
+  facet normal 0.995182 0.0980455 0
     outer loop
       vertex -6.5 23.99 0
       vertex -6.5 23.99 4
@@ -3853,7 +3846,7 @@ solid OpenSCAD_Model
     outer loop
       vertex -6.5 23.99 0
       vertex -6.5 32.49 0
-      vertex -6.5 23.99 16.8991
+      vertex -6.5 23.99 4
     endloop
   endfacet
   facet normal 1 0 0
@@ -3870,6 +3863,13 @@ solid OpenSCAD_Model
       vertex -6.5 31 23.9799
     endloop
   endfacet
+  facet normal 1 -0 0
+    outer loop
+      vertex -6.5 23.99 4
+      vertex -6.5 32.49 0
+      vertex -6.5 23.99 16.8991
+    endloop
+  endfacet
   facet normal 1 0 0
     outer loop
       vertex -6.5 31 23.9799
@@ -4395,7 +4395,7 @@ solid OpenSCAD_Model
       vertex 13.0792 35 12.8142
     endloop
   endfacet
-  facet normal 0.866025 -2.38419e-007 -0.5
+  facet normal 0.866025 0 -0.5
     outer loop
       vertex 10.9 35 14
       vertex 12.975 35 17.594
@@ -4570,7 +4570,7 @@ solid OpenSCAD_Model
       vertex 12.975 35 10.406
     endloop
   endfacet
-  facet normal -0 -4.76837e-007 -1
+  facet normal -0 0 -1
     outer loop
       vertex 12.975 31 17.594
       vertex 12.975 35 17.594
@@ -4584,7 +4584,7 @@ solid OpenSCAD_Model
       vertex 16.495 31 23.9938
     endloop
   endfacet
-  facet normal 0 -4.76837e-007 -1
+  facet normal 0 0 -1
     outer loop
       vertex 12.975 31 17.594
       vertex 17.125 35 17.594
@@ -6341,14 +6341,14 @@ solid OpenSCAD_Model
       vertex 17.2452 31 23.9442
     endloop
   endfacet
-  facet normal 0.0995693 0 0.995031
+  facet normal 0.0995689 0 0.995031
     outer loop
       vertex 16.7492 31 23.9938
       vertex 17.2452 31 23.9442
       vertex 16.7492 40 23.9938
     endloop
   endfacet
-  facet normal 0.0995689 -2.11014e-008 0.995031
+  facet normal 0.0995689 0 0.995031
     outer loop
       vertex 16.7492 40 23.9938
       vertex 17.2452 31 23.9442
@@ -6516,7 +6516,7 @@ solid OpenSCAD_Model
       vertex 19.2 31 14
     endloop
   endfacet
-  facet normal -0.866026 -2.38418e-007 -0.5
+  facet normal -0.866026 -0 -0.5
     outer loop
       vertex 17.125 31 17.594
       vertex 17.125 35 17.594
@@ -6649,7 +6649,7 @@ solid OpenSCAD_Model
       vertex 19.2 35 14
     endloop
   endfacet
-  facet normal -0.866025 0 -0.5
+  facet normal -0.866026 0 -0.5
     outer loop
       vertex 17.125 35 17.594
       vertex 19.2 35 14
@@ -6747,28 +6747,28 @@ solid OpenSCAD_Model
       vertex 18.0454 2.95455 10.01
     endloop
   endfacet
-  facet normal 0.198147 -0.980172 0
+  facet normal 0.198144 -0.980173 0
     outer loop
       vertex 17.2452 -21.4442 0
       vertex 17.7338 -21.3454 0
       vertex 17.7338 -21.3454 4
     endloop
   endfacet
-  facet normal 0.198147 -0.980172 0
+  facet normal 0.198144 -0.980173 0
     outer loop
       vertex 17.2452 -21.4442 0
       vertex 17.7338 -21.3454 4
       vertex 17.2452 -21.4442 4
     endloop
   endfacet
-  facet normal 0.198147 -4.19928e-008 0.980172
+  facet normal 0.198144 0 0.980173
     outer loop
       vertex 17.2452 31 23.9442
       vertex 17.7338 31 23.8454
       vertex 17.2452 40 23.9442
     endloop
   endfacet
-  facet normal 0.198147 0 0.980172
+  facet normal 0.198144 0 0.980173
     outer loop
       vertex 17.2452 40 23.9442
       vertex 17.7338 31 23.8454
@@ -7083,14 +7083,14 @@ solid OpenSCAD_Model
       vertex 17.7338 -21.3454 4
     endloop
   endfacet
-  facet normal 0.294755 0 0.955573
+  facet normal 0.294754 0 0.955573
     outer loop
       vertex 17.7338 31 23.8454
       vertex 18.2101 31 23.6985
       vertex 17.7338 40 23.8454
     endloop
   endfacet
-  facet normal 0.294754 -6.24666e-008 0.955573
+  facet normal 0.294754 0 0.955573
     outer loop
       vertex 17.7338 40 23.8454
       vertex 18.2101 31 23.6985
@@ -7188,7 +7188,7 @@ solid OpenSCAD_Model
       vertex 18.2101 -21.1985 4
     endloop
   endfacet
-  facet normal 0.388435 -8.232e-008 0.921476
+  facet normal 0.388436 0 0.921476
     outer loop
       vertex 18.2101 31 23.6985
       vertex 18.6694 31 23.5048
@@ -7251,28 +7251,28 @@ solid OpenSCAD_Model
       vertex 19.1883 6.76148 4
     endloop
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diff --git a/dibond/stls/z_motor_bracket_rhs.stl b/dibond/stls/z_motor_bracket_rhs.stl
index b50f81d..6255c68 100644
--- a/dibond/stls/z_motor_bracket_rhs.stl
+++ b/dibond/stls/z_motor_bracket_rhs.stl
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       vertex 19 31 23.3301
@@ -9498,7 +9498,7 @@ solid OpenSCAD_Model
       vertex 19 -20.8301 4
     endloop
   endfacet
-  facet normal 0.542547 -1.78025e-007 0.840026
+  facet normal 0.542549 0 0.840024
     outer loop
       vertex 19 31 23.3301
       vertex 19.4187 31 23.0597
@@ -9806,7 +9806,7 @@ solid OpenSCAD_Model
       vertex 21.1985 -18.2101 4
     endloop
   endfacet
-  facet normal 0.921476 -8.232e-008 0.388435
+  facet normal 0.921476 0 0.388436
     outer loop
       vertex 21.0048 31 21.1694
       vertex 21.1985 31 20.7101
@@ -9841,14 +9841,14 @@ solid OpenSCAD_Model
       vertex 21.3454 -17.7338 4
     endloop
   endfacet
-  facet normal 0.955573 0 0.294755
+  facet normal 0.955573 0 0.294754
     outer loop
       vertex 21.1985 31 20.7101
       vertex 21.3454 31 20.2338
       vertex 21.3454 40 20.2338
     endloop
   endfacet
-  facet normal 0.955573 -6.24666e-008 0.294754
+  facet normal 0.955573 -0 0.294754
     outer loop
       vertex 21.1985 31 20.7101
       vertex 21.3454 40 20.2338
@@ -9876,7 +9876,7 @@ solid OpenSCAD_Model
       vertex 21.4442 -17.2452 4
     endloop
   endfacet
-  facet normal 0.980173 -4.1992e-008 0.198143
+  facet normal 0.980173 0 0.198144
     outer loop
       vertex 21.3454 31 20.2338
       vertex 21.4442 31 19.7452
@@ -9911,14 +9911,14 @@ solid OpenSCAD_Model
       vertex 21.4938 -16.7492 4
     endloop
   endfacet
-  facet normal 0.995031 0 0.0995693
+  facet normal 0.995031 0 0.0995689
     outer loop
       vertex 21.4442 31 19.7452
       vertex 21.4938 31 19.2492
       vertex 21.4938 40 19.2492
     endloop
   endfacet
-  facet normal 0.995031 -2.11014e-008 0.0995689
+  facet normal 0.995031 -0 0.0995689
     outer loop
       vertex 21.4442 31 19.7452
       vertex 21.4938 40 19.2492
@@ -10534,7 +10534,7 @@ solid OpenSCAD_Model
       vertex 16.495 31 24
     endloop
   endfacet
-  facet normal -0.995182 0.0980453 0
+  facet normal -0.995182 0.0980455 0
     outer loop
       vertex 6.45195 23.5023 0
       vertex 6.45195 23.5023 4
@@ -10548,7 +10548,7 @@ solid OpenSCAD_Model
       vertex 14.2958 17.01 0
     endloop
   endfacet
-  facet normal -0.995182 0.0980455 -2.51315e-008
+  facet normal -0.995182 0.0980455 0
     outer loop
       vertex 6.45195 23.5023 0
       vertex 6.5 23.99 4
@@ -10597,7 +10597,7 @@ solid OpenSCAD_Model
       vertex 6.5 23.99 16.8991
     endloop
   endfacet
-  facet normal -1 3.73402e-008 -3.69668e-008
+  facet normal -1 0 0
     outer loop
       vertex 6.5 11.2199 4
       vertex 6.5 23.99 16.8991
@@ -10619,17 +10619,10 @@ solid OpenSCAD_Model
     endloop
   endfacet
   facet normal -1 0 0
-    outer loop
-      vertex 6.5 23.99 0
-      vertex 6.5 23.99 16.8991
-      vertex 6.5 32.49 0
-    endloop
-  endfacet
-  facet normal -0.992278 0.124035 0
     outer loop
       vertex 6.5 23.99 0
       vertex 6.5 23.99 4
-      vertex 6.5 23.99 16.8991
+      vertex 6.5 32.49 0
     endloop
   endfacet
   facet normal 0 0 -1
@@ -10639,7 +10632,7 @@ solid OpenSCAD_Model
       vertex 15.9298 17.3829 0
     endloop
   endfacet
-  facet normal -2.32863e-007 -0.710651 0.703544
+  facet normal -2.49808e-007 -0.710651 0.703544
     outer loop
       vertex 6.5 23.99 16.8991
       vertex 10.5 11.2199 4
@@ -10667,6 +10660,13 @@ solid OpenSCAD_Model
       vertex 6.5 32.49 0
     endloop
   endfacet
+  facet normal -1 0 0
+    outer loop
+      vertex 6.5 23.99 4
+      vertex 6.5 23.99 16.8991
+      vertex 6.5 32.49 0
+    endloop
+  endfacet
   facet normal 0 -1 0
     outer loop
       vertex 6.5 31 23.9799
diff --git a/scad/conf/config.scad b/scad/conf/config.scad
index 8583577..a5c2989 100644
--- a/scad/conf/config.scad
+++ b/scad/conf/config.scad
@@ -27,6 +27,22 @@ $fs = 0.5;
 
 function sqr(x) = x * x;            // shortcut
 
+module rotate(a)
+{
+ cx = cos(a[0]);
+ cy = cos(a[1]);
+ cz = cos(a[2]);
+ sx = sin(a[0]);
+ sy = sin(a[1]);
+ sz = sin(a[2]);
+ multmatrix([
+  [ cy * cz, cz * sx * sy - cx * sz, cx * cz * sy + sx * sz, 0],
+  [ cy * sz, cx * cz + sx * sy * sz,-cz * sx + cx * sy * sz, 0],
+  [-sy,      cy * sx,                cx * cy,                0],
+  [ 0,       0,                      0,                      1]
+ ]) children();
+}
+
 cnc_tool_dia = 2.4;
 layer_height = 0.4;
 filament_width = layer_height * 1.5;