Added foil to heatsheild

mendel/bom/bom.txt

@@ -17,6 +17,7 @@ Vitamins:
   2 AC6170324               2                                        Acrylic sheet 170 x 324 x 6
   1 AC6224224                                       1                Acrylic sheet 224 x 224 x 6
   1 AC6468324               1                                        Acrylic sheet 468 x 324 x 6
+  5 AF150234                                        5                Aluminium foil tape 50 x 234 x 0.05
   3 BB608                         3                                  Ball bearing 608 8 x 22 x 7
   3 BB624                                  1           2             Ball bearing 624 4 x 13 x 5
   4 BD0019         4                                                 19mm bulldog clip

mendel/bom/y_carriage_assembly.txt

@@ -1,6 +1,7 @@
 y_carriage_assembly:
 Vitamins:
   1 AC6224224  Acrylic sheet 224 x 224 x 6
+  5 AF150234   Aluminium foil tape 50 x 234 x 0.05
   1 CB6200224  Corrugated cardboard 200 x 224 x 6
  14 CS03016    M3 cap screw x 16
   2 CS03025    M3 cap screw x 25

scad/main.scad

@@ -222,9 +222,12 @@ module y_carriage() {
     }
 }
 
-module y_heatsheild() {
+module y_heatshield() {
+    width =  Y_carriage_width - 2 * bar_clamp_tab;
     difference() {
-        sheet(Cardboard, Y_carriage_width - 2 * bar_clamp_tab, Y_carriage_depth);
+        group() {
+            difference() {
+                sheet(Cardboard, width, Y_carriage_depth);
 
                 translate([Y_bar_spacing / 2, 0, 0])
                     rotate([0,180,0])
@@ -244,6 +247,10 @@ module y_heatsheild() {
                                 y_belt_anchor_holes()
                                     cube([10, 10, 100],center =true);
 
+            }
+            translate([0, 0, sheet_thickness(Cardboard) / 2])
+                taped_area(FoilTape, 50, width, Y_carriage_depth, 5);
+        }
         translate([0, Y_carriage_depth / 2, 0])
             cube([ribbon_clamp_length(bed_ways, cap_screw), 60, 100], center = true);
     }
@@ -309,7 +316,7 @@ module y_axis_assembly(show_bed) {
                 if(show_bed)
                     bed_assembly();
                 translate([0, 0, sheet_thickness(Cardboard) / 2])
-                    y_heatsheild();
+                    y_heatshield();
             }
 
 
@@ -745,6 +752,7 @@ module machine_assembly() {
 
 
 machine_assembly();
+//y_heatshield();
 //frame_assembly();
 
 module frame_base_dxf() projection(cut = true) translate([0,0, sheet_thickness(base) / 2]) frame_base();

scad/vitamins/sheet.scad

@@ -29,9 +29,10 @@ PMMA10   = [ "AC", "Acrylic sheet",       10, [1,   1,   1,   0.5  ], false];
 glass2   = [ "GL", "Glass sheet",          2, [1,   1,   1,   0.25 ], false];
 DiBond   = [ "DB", "Dibond sheet",         3, [0.7, 0.7, 0.7, 1    ], false];
 Cardboard= [ "CB", "Corrugated cardboard", 6, [0.6, 0.6, 0.2, 1    ], false];
-FoilTape = [ "AF", "Aluminium foil tape", .2, [0.9, 0.9, 0.9, 1    ], false];
+FoilTape = [ "AF", "Aluminium foil tape",0.05,[0.9, 0.9, 0.9, 1    ], false];
 
 function sheet_thickness(type) = type[2];
+function sheet_colour(type) = type[3];
 function sheet_is_soft(type) = type[4];
 
 module corner(r) {
@@ -50,8 +51,8 @@ module corner(r) {
 
 module sheet(type, w, d, corners = [0, 0, 0, 0]) {
     t = sheet_thickness(type);
-    vitamin(str(type[0], t, round(w), round(d),": ",type[1]," ",  round(w), " x ", round(d), " x ", t));
+    vitamin(str(type[0], ceil(t), round(w), round(d),": ",type[1]," ",  round(w), " x ", round(d), " x ", t));
-    color(type[3])
+    color(sheet_colour(type))
         linear_extrude(height = t, center = true)
             hull() {
                 translate([-w/2,  d/2])
@@ -70,3 +71,21 @@ module sheet(type, w, d, corners = [0, 0, 0, 0]) {
                         corner(corners[3]);
             }
 }
+
+module taped_area(type, tape_width, w, d, overlap) {
+    total_width = w + 2 * overlap;
+    strips = ceil(total_width / tape_width);
+    pitch = total_width / strips;
+    intersection() {
+        group() {
+            for(i = [0 : strips - 1])
+                assign(k = ((i % 2) ? 0.9 : 1), c = sheet_colour(type))
+                    translate([-w / 2 - overlap + tape_width / 2 + i * pitch, 0, sheet_thickness(type) / 2 + i * eta])
+                        explode([0, 0, d / 2 + i * 10])
+                            color([c[0] * k, c[1] * k, c[2] * k, c[3]])
+                                sheet(type, tape_width, d + 2 * overlap);
+        }
+        if(!exploded)
+            cube([w + 2 * eta, d + 2 * eta, 100], center = true);
+    }
+}

sturdy/bom/bom.txt

@@ -13,6 +13,7 @@
                 o  e  a  c  m  n  e  i  g  e  o  i  g  e  o  i  c  o
                 r  d  n  s  e  e  s  s  e  r  r  s  e  r  r  s  h  r
 Vitamins:
+  5 AF150234                                        5                Aluminium foil tape 50 x 234 x 0.05
   3 BB608                         3                                  Ball bearing 608 8 x 22 x 7
   3 BB624                                  1           2             Ball bearing 624 4 x 13 x 5
   4 BD0019         4                                                 19mm bulldog clip

sturdy/bom/y_carriage_assembly.txt

@@ -1,5 +1,6 @@
 y_carriage_assembly:
 Vitamins:
+  5 AF150234   Aluminium foil tape 50 x 234 x 0.05
   1 CB6200224  Corrugated cardboard 200 x 224 x 6
   8 CS03016    M3 cap screw x 16
   6 CS04016    M4 cap screw x 16