union() {
	translate( v=[9,0,7.5]) {
		rotate( a=-7, v=[0,1,0]) {
			rotate( a=45, v=[0,0,1]) {
				cube( size=[1,1,15], center=true );
			}
		}
	}
	difference() {
		cylinder( r1=10, r2=8, h=20);
		cylinder( r1=3.25, r2=3.2, h=15);
	}
}