add wheel mount reinforcements

[challenge-bot] / schematic-3d-printable.scad

diff --git a/schematic-3d-printable.scad b/schematic-3d-printable.scad
index cf04693766e8ad055d52f598d367e4f97309e5c8..ee5050d168ff7c4923e45b0b03ae318024068314 100644 (file)
--- a/schematic-3d-printable.scad
+++ b/schematic-3d-printable.scad
@@ -10,19 +10,31 @@
 
 scale=10;
 
-deck_dimensions = [8, 8, 3/16];
+deck_z = 3/16;
+deck_x = 8;
+deck_y = 8;
+deck_dimensions = [deck_x, deck_y, deck_z];
 
 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 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_z * deck_z + deck_z * deck_z);
+  difference(){
+    cube([deck_z * 2, deck_z * 2, deck_z * 2] * scale);
+    translate([-(diagonal - deck_z) / 2, 0, 0] * scale)
+      rotate([45, 0, 0])
+        translate([0, -(diagonal * 1.1 - deck_z) / 2, 0])
+          cube([diagonal * 2, diagonal * 2 * 1.1, deck_z * 2] * scale);}}
 
 module wheel_mount(scale){
   difference(){
@@ -39,6 +51,22 @@ module wheel_mount(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_z)/2, -4] * scale) wheel_mount(scale);
+  rotate([90, 0, 0])
+    translate([1.5, (deck_z)/2, 4 - deck_z] * scale) wheel_mount(scale);
+}
+
+translate([1.5, deck_y/2 - deck_z * 3, deck_z] * scale){
+  wheel_mount_reinforcement(scale);}
+translate([1.5 * 2 - deck_z * 2, deck_y / 2 - deck_z * 3, deck_z] * scale){
+  wheel_mount_reinforcement(scale);}
+
+translate([1.5 + deck_z * 2, 3 * deck_z - deck_y / 2, deck_z] * scale){
+  rotate([0, 0, 180]){
+    wheel_mount_reinforcement(scale);}}
+translate([1.5 * 2, 3 * deck_z - deck_y / 2, deck_z] * scale){
+  rotate([0, 0, 180]){
+    wheel_mount_reinforcement(scale);}}