include <../../config.scad>; module wheel() { r_wheel = D_WHEEL / 2; r_wheel_bore = D_WHEEL_BORE / 2; color("red") rotate([0, 90, 0]) difference() { cylinder(T_WHEEL, r_wheel, r_wheel, center = true); cylinder(T_WHEEL, r_wheel_bore, r_wheel_bore, center = true); } // Shopping echo("Wheel: Wheel - x1"); }