X-Git-Url: http://challenge-bot.com/repos/?a=blobdiff_plain;f=schematic-3d-printable.scad;h=4b77fbdfe1901a464bb5c75dda89b86af847f900;hb=a7d043a33cb5de0147ee658fc6c3aabe705e53f3;hp=5a2d4e4ae5eed766a2552ee30b14a394114331fa;hpb=c423550ebcb0fcf8faeee52fe9a14a492f707838;p=challenge-bot

diff --git a/schematic-3d-printable.scad b/schematic-3d-printable.scad
index 5a2d4e4..4b77fbd 100644
--- a/schematic-3d-printable.scad
+++ b/schematic-3d-printable.scad
@@ -10,19 +10,31 @@
 
 scale=10;
 
-deck_dimensions = [8, 8, 3/16];
+deck_width = 8;
+deck_length = 8;
+deck_depth = 3/16;
+deck_dimensions = [deck_width, deck_length, deck_depth];
 
 module deck(scale){
-  cube(deck_dimensions * scale);}
+  cube(deck_dimensions * scale, center = true);}
 
 module collar_hole(scale){
-       cylinder(h = 5/16 * scale, r = 0.362/2 * scale, $fn = 100);}
+  cylinder(h = 5/16 * scale, r = 0.362/2 * scale, $fn = 100);}
 
-module nubin_hole(scale){
-       cylinder(h = 5/16 * scale, r = 0.145/2 * scale, $fn = 100);}
+module nubbin_hole(scale){
+  cylinder(h = 5/16 * scale, r = 0.145/2 * scale, $fn = 100);}
 
 module mounting_screw_hole(scale){
-       cylinder(h = 5/16 * scale, r = 0.114/2 * scale, $fn = 100);}
+  cylinder(h = 5/16 * scale, r = 0.114/2 * scale, $fn = 100);}
+
+module wheel_mount_reinforcement(scale){
+  diagonal = sqrt(deck_depth * deck_depth + deck_depth * deck_depth);
+  difference(){
+    cube([deck_depth * 2, deck_depth * 2, deck_depth * 2] * scale);
+    translate([-(diagonal - deck_depth) / 2, 0, 0] * scale)
+      rotate([45, 0, 0])
+        translate([0, -(diagonal * 1.1 - deck_depth) / 2, 0])
+          cube([diagonal * 2, diagonal * 2 * 1.1, deck_depth * 2] * scale);}}
 
 module wheel_mount(scale){
   difference(){
@@ -32,13 +44,35 @@ module wheel_mount(scale){
       collar_hole(scale);}
     // nubbin hole
     translate([0.5 + 0.875 - 0.425, 0.938, -1/16] * scale){
-      nubin_hole(scale);}
+      nubbin_hole(scale);}
     // mounting screw hole
     translate([0.5 + 1.213 - 0.425, 0.938 - 0.687/2, -1/16] * scale){
       mounting_screw_hole(scale);}
     translate([0.5 + 1.213 - 0.425, 0.938 + 0.687/2, -1/16] * scale){
       mounting_screw_hole(scale);}}}
 
-color("blue") deck(scale);
-rotate([90, 0, 0]) translate([1.5, -2, -(3/16)]) wheel_mount();
-rotate([90, 0, 0]) translate([1.5, -2, -8]) wheel_mount();
+translate([0, 0, (3/16)/2 * scale]){
+  color("blue") deck(scale);
+  rotate([90, 0, 0])
+    translate([1.5, (deck_depth)/2, -4] * scale) wheel_mount(scale);
+  rotate([90, 0, 0])
+    translate([1.5, (deck_depth)/2, 4 - deck_depth] * scale)
+      wheel_mount(scale);}
+
+translate([1.5, deck_length/2 - deck_depth * 3, deck_depth] * scale){
+  wheel_mount_reinforcement(scale);}
+translate([1.5 * 2 - deck_depth * 2,
+           deck_length / 2 - deck_depth * 3,
+           deck_depth]
+          * scale){
+  wheel_mount_reinforcement(scale);}
+
+translate([1.5 + deck_depth * 2,
+           3 * deck_depth - deck_length / 2,
+           deck_depth]
+          * scale){
+  rotate([0, 0, 180]){
+    wheel_mount_reinforcement(scale);}}
+translate([1.5 * 2, 3 * deck_depth - deck_length / 2, deck_depth] * scale){
+  rotate([0, 0, 180]){
+    wheel_mount_reinforcement(scale);}}