remove qr size and height override

[challenge-bot] / 3d-printables / wheel.scad

diff --git a/3d-printables/wheel.scad b/3d-printables/wheel.scad
index 4b806f44336c0843c6215484844539e6a440ca7e..bfe5640df7fd7a620666975675a7f3706e1db184 100644 (file)
--- a/3d-printables/wheel.scad
+++ b/3d-printables/wheel.scad
@@ -111,10 +111,10 @@ module wheel_solid(radius,
     rim(radius, wall_width, 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);
+      square(1.5, center = true);}}
   translate([0, 0, qr_height]){
     motor_shaft_holder(shaft_radius,
                        shaft_flat_width,