wall_width = 3;
-wheel_width = 9;
+wheel_width = 7;
wheel_radius =
sqrt(2 * pow(wheel_square_spoke_size / 2, 2)) + wall_width / 2 + 1;
-motor_shaft_radius = 3.7;
-motor_shaft_flat_width = 4.8;
+motor_shaft_radius = 3.9;
+motor_shaft_flat_width = 5.2;
tread_radius = 4 / 2;
shaft_flat_width,
wall_width,
tread_radius) {
+ spoke_count = 7;
+ spoke_width = radius / 3;
difference() {
rim(radius, wall_width * 2, width);
translate([0, 0, width / 2]) {
tread(radius, tread_radius); } }
linear_extrude(height = wheel_square_spoke_thickness) {
difference() {
- square(wheel_square_spoke_size, center = true);
+ union(){
+ for(spoke = [0: spoke_count - 1]) {
+ rotate(spoke * 360 / spoke_count) {
+ translate([-spoke_width / 2, 0]){
+ square([spoke_width, radius - 2]); } } } }
mounting_screw_flat(); } }
translate([0, 0, wheel_square_spoke_thickness]) {
motor_shaft_holder(shaft_radius,