Added pcb_size() function.

readme.md

@@ -2103,6 +2103,7 @@ PCBs and perfboard with optional components. The shape can be a rectangle with o
 | ```pcb_coord(type, p)``` | Convert offsets from the edge to coordinates relative to the centre |
 | ```pcb_grid_pos(type, x, y, z = 0)``` | Returns a pcb grid position |
 | ```pcb_screw(type, cap = hs_cap)``` | Mounting screw type |
+| ```pcb_size(type)``` | Length, width and thickness in a vector |
 
 ### Modules
 | Module | Description |
@@ -2235,6 +2236,7 @@ PCBs and perfboard with optional components. The shape can be a rectangle with o
 | ```pcb_coord(type, p)``` | Convert offsets from the edge to coordinates relative to the centre |
 | ```pcb_grid_pos(type, x, y, z = 0)``` | Returns a pcb grid position |
 | ```pcb_screw(type, cap = hs_cap)``` | Mounting screw type |
+| ```pcb_size(type)``` | Length, width and thickness in a vector |
 
 ### Modules
 | Module | Description |
@@ -2652,24 +2654,27 @@ Linear rails with carriages.
 ### Vitamins
 | Qty | Module call | BOM entry |
 | ---:|:--- |:---|
-|   1 | ```rail(MGN15, 260)``` |  Linear rail MGN15 x 260mm |
+|   1 | ```rail(MGN12, 200)``` |  Linear rail MGN12 x 200mm |
+|   1 | ```rail(MGN12H, 200)``` |  Linear rail MGN12H x 200mm |
+|   1 | ```rail(MGN15, 200)``` |  Linear rail MGN15 x 200mm |
 |   1 | ```rail(MGN5, 200)``` |  Linear rail MGN5 x 200mm |
 |   1 | ```rail(MGN7, 200)``` |  Linear rail MGN7 x 200mm |
 |   1 | ```rail(MGN9, 200)``` |  Linear rail MGN9 x 200mm |
 |   1 | ```rail(SSR15, 200)``` |  Linear rail SSR15 x 200mm |
 |  26 | ```nut(M2_nut, nyloc = true)``` |  Nut M2 x 1.6mm nyloc |
-|  17 | ```nut(M3_nut, nyloc = true)``` |  Nut M3 x 2.4mm nyloc |
+|  31 | ```nut(M3_nut, nyloc = true)``` |  Nut M3 x 2.4mm nyloc |
 |   4 | ```nut(M4_nut, nyloc = true)``` |  Nut M4 x 3.2mm nyloc |
 |  11 | ```screw(M2_cap_screw, 10)``` |  Screw M2 cap x 10mm |
 |  15 | ```screw(M2_cs_cap_screw, 10)``` |  Screw M2 cs cap x 10mm |
 |   8 | ```screw(M3_cap_screw, 10)``` |  Screw M3 cap x 10mm |
-|   5 | ```screw(M3_cap_screw, 16)``` |  Screw M3 cap x 16mm |
+|  12 | ```screw(M3_cap_screw, 12)``` |  Screw M3 cap x 12mm |
+|   3 | ```screw(M3_cap_screw, 16)``` |  Screw M3 cap x 16mm |
 |   2 | ```screw(M3_cs_cap_screw, 12)``` |  Screw M3 cs cap x 12mm |
-|   2 | ```screw(M3_cs_cap_screw, 16)``` |  Screw M3 cs cap x 16mm |
+|   6 | ```screw(M3_cs_cap_screw, 16)``` |  Screw M3 cs cap x 16mm |
 |   2 | ```screw(M4_cap_screw, 16)``` |  Screw M4 cap x 16mm |
 |   2 | ```screw(M4_cs_cap_screw, 20)``` |  Screw M4 cs cap x 20mm |
 |  26 | ```washer(M2_washer)``` |  Washer  M2 x 5mm x 0.3mm |
-|  17 | ```washer(M3_washer)``` |  Washer  M3 x 7mm x 0.5mm |
+|  31 | ```washer(M3_washer)``` |  Washer  M3 x 7mm x 0.5mm |
 |   4 | ```washer(M4_washer)``` |  Washer  M4 x 9mm x 0.8mm |
 
 

tests/rails.scad

@@ -25,10 +25,10 @@ use <../vitamins/nut.scad>
 sheet = 3;
 
 module rails()
-    layout([for(l = rails) carriage_width(rail_carriage(l))], 25)
+    layout([for(l = rails) carriage_width(rail_carriage(l))], 20)
         rotate(-90) {
             rail = rails[$i];
-            length = rail == MGN15 ? 260 : 200;
+            length = 200;
             screw = rail_screw(rail);
             nut = screw_nut(screw);
             washer = screw_washer(screw);

vitamins/cameras.scad

@@ -21,8 +21,8 @@ include <smds.scad>
 rpi_camera_v1_pcb = ["", "",  25, 24, 1, 0, 2.1, 0, "green", false, [[2, -2], [-2, -2], [2, 9.6], [-2, 9.6]],
     [
         [12,   3.25,  0, "-flat_flex", true],
-        [-4.5, -4,    0, "smd_led", LED0603, "red"],
-        [-5.5, -3,    0, "smd_res", RES0603, "10K"],
+        [-4.5, -5,    0, "smd_led", LED0603, "red"],
+        [-5.5, -4,    0, "smd_res", RES0603, "10K"],
     ],
     []];
 

vitamins/pcb.scad

@@ -53,6 +53,8 @@ function pcb_accessories(type)  = type[12]; //! List of accessories to go on the
 function pcb_grid(type)         = type[13]; //! Grid if a perfboard
 function pcb_polygon(type)      = type[14]; //! Optional outline polygon for odd shaped boards
 function pcb_screw(type, cap = hs_cap) = Len(type[15]) ? type[15] : find_screw(cap, screw_smaller_than(pcb_hole_d(type))); //! Mounting screw type
+function pcb_size(type) = [pcb_length(type), pcb_width(type), pcb_thickness(type)]; //! Length, width and thickness in a vector
+
 
 function pcb_grid_pos(type, x, y, z = 0) = //! Returns a pcb grid position
     [-pcb_length(type) / 2 + pcb_grid(type).x + 2.54 * x,

vitamins/rails.scad

@@ -25,6 +25,7 @@ MGN5_carriage  = [ 16,   9.6,  12, 6,  1.5, 0,  8 , M2_cap_screw ];
 MGN7_carriage  = [ 23,   14.3, 17, 8,  1.5, 8,  12, M2_cap_screw ];
 MGN9_carriage  = [ 29.7, 20.8, 20, 10, 2,   10, 15, M3_cap_screw ];
 MGN12_carriage = [ 34.7, 21.7, 27, 13, 3,   15, 20, M3_cap_screw ];
+MGN12H_carriage= [ 45.4, 32.4, 27, 13, 3,   20, 20, M3_cap_screw ];
 MGN15_carriage = [ 43.3, 27.7, 32, 16, 4,   20, 25, M3_cap_screw ];
 SSR15_carriage = [ 40.3, 23.3, 34, 24, 4.5, 0,  26, M4_cap_screw ];
 //
@@ -36,9 +37,10 @@ MGN5 = [ "MGN5",  5,  3.6, 5,   15, 3.5, 2.4, 0.8, M2_cs_cap_screw, MGN5_carriag
 MGN7 = [ "MGN7",  7,  5,   5,   15, 4.3, 2.4, 2.6, M2_cap_screw,    MGN7_carriage, M2_cs_cap_screw ];
 MGN9 = [ "MGN9",  9,  6,   7.5, 20, 6.0, 3.5, 3.5, M3_cap_screw,    MGN9_carriage, M3_cs_cap_screw ];
 MGN12= [ "MGN12", 12, 8,   10,  25, 6.0, 3.5, 4.5, M3_cap_screw,   MGN12_carriage, M3_cs_cap_screw ];
+MGN12H=[ "MGN12H",12, 8,    10, 25, 6.0, 3.5, 4.5, M3_cap_screw,   MGN12H_carriage,M3_cs_cap_screw ];
 MGN15= [ "MGN15", 15, 10,  10,  40, 6.0, 3.5, 5.0, M3_cap_screw,   MGN15_carriage, M3_cs_cap_screw ];
 SSR15= [ "SSR15", 15, 12.5,10,  60, 7.5, 4.5, 5.3, M4_cap_screw,   SSR15_carriage, M4_cs_cap_screw ];
 
-rails = [MGN5, MGN7, MGN9, MGN15, SSR15];
+rails = [MGN5, MGN7, MGN9, MGN12, MGN12H, MGN15, SSR15];
 
 use <rail.scad>