Kitchen Sink Handle Nut Thing (openscad format)

gistfile1.txt

difference() {
	union(){
		cylinder($fn=45, h=6, r=12.5);
		translate([0, 0, 6]) {
			cylinder($fn=32,h=2, r1=12.5, r2=6.5);
		}
		translate([0, 0, 7.7]) {
			cylinder($fn=6, r=7.2, h=11.3);
		};
	}
	union() {
		cylinder($fn=15, r=2.75, h=20);	
		cylinder($fn=38, h=5, r=11.8);
		translate([0, 0, 4.7]){
			difference() {
				cylinder($fn=28, r=5, h=13.3);
				translate([-5, 3.5, 0]) {
					cube([8.84, 3, 11.3]);
				}
			}
		}
	}
}
//nubbin
difference() {
	rotate([0, 0, -60]) {
		difference() {
			intersection() {
				cylinder(h=6, r=12.5);
				cube([30, 30, 6]);
			}
			cylinder(h=6, r	=5.6);
		}
	}
	rotate([0, 0, -110]) {
		difference() {
			intersection() {
				cylinder(h=6, r=12.5);
				cube([30, 30, 6]);
			}
			cylinder($fn=16, h=6, r=4.4);
		}
	}
}