include <../defineVariable.scad>
$fa=3;
d=120;
w=60;

module wheel(d=d,w=w){
	color([0,0,0,transparency]){
		translate([0,0,-w/2+w/10]){
			difference(){
				cylinder(d=d,h=w,center=true);
				cylinder(d=d*2/3,h=w+1,center=true);
			}			
		}
	}
	color([1,1,1,transparency])
		translate([0,0,-w/8]){
			difference(){
				cylinder(d=d*2/3,h=w/4,center=true);
				union(){
					cylinder(d=8,h=w/4+1,center=true);
					translate([0,0,-w/8]){
						cylinder(d=20,h=w/4+1,center=true,$fn=8);
					}
				}
			}
		}
}

wheel();