X-Git-Url: http://challenge-bot.com/repos/?a=blobdiff_plain;f=3d-printables%2Fwheel.scad;h=1d1994e45b66b7a112d62e7324c46101c86d7026;hb=f747b5748a03b4c0fd6386b8e17aebd2d18d4b9e;hp=4b806f44336c0843c6215484844539e6a440ca7e;hpb=defb83a569d08482877a09e15ed0853c44b72b30;p=challenge-bot

diff --git a/3d-printables/wheel.scad b/3d-printables/wheel.scad
index 4b806f4..1d1994e 100644
--- a/3d-printables/wheel.scad
+++ b/3d-printables/wheel.scad
@@ -11,21 +11,21 @@ $fn = 100;
 
 use <qr.scad>
 
-qr_size = 54;
+qr_size = 45;
 qr_height = 2;
 
 wall_width = 3;
 
-wheel_width = 6;
+wheel_width = 9;
 wheel_radius = sqrt(2 * pow(qr_size / 2, 2)) + wall_width / 2;
 
 motor_shaft_radius = 3.7;
 motor_shaft_flat_width = 4.8;
 
-tread_radius = 2.5 / 2;
+tread_radius = 4 / 2;
 
 module mounting_screw_flat(){
-  square(2, center = true);}
+  circle(0.9);}
 
 module motor_shaft_flat(radius, flat_width){
   intersection(){
@@ -108,13 +108,13 @@ module wheel_solid(radius,
                    wall_width,
                    tread_radius){
   difference(){
-    rim(radius, wall_width, width);
+    rim(radius, wall_width * 2, width);
     translate([0, 0, width / 2]){
       tread(radius, tread_radius);}}
-  qr_size = 54;
-  qr_height = 2;
   linear_extrude(height = qr_height){
-    square(qr_size, center = true);}
+    difference (){
+      square(qr_size, center = true);
+      mounting_screw_flat(); } }
   translate([0, 0, qr_height]){
     motor_shaft_holder(shaft_radius,
                        shaft_flat_width,