difference() {
	translate([0,0,17.5])
	difference() {
	cylinder(h=32, r1=19, r2=16.5, center=true, $fn=200);
	
	translate([0,20,0])
	rotate(5,[1,0,0])
	cylinder(h=35, r=3.6, center=true, $fn=200);
	
	translate([20,0,0])
	rotate(-5,[0,1,0])
	cylinder(h=35, r=3.6, center=true, $fn=200);
	
	translate([0,-20,0])
	rotate(-5,[1,0,0])
	cylinder(h=35, r=3.6, center=true, $fn=200);
	
	translate([-20,0,0])
	rotate(5,[0,1,0])
	cylinder(h=35, r=3.6, center=true, $fn=200);
	
	}
	cylinder(h=2, r=20, cemter=true, $fn=200);
	cylinder(h=10, r1=10, r2=7, center=true, $fn=200);

	difference(){
	translate([0,0,10])cylinder(h=20, r=5, center=true, $fn=200);
	  rotate( 15, [0, 0, 1])
		translate([0,9,10]) cube(size=[15,12,25], center=true);
	
	}
	rotate( 15, [0, 0, 1])
		translate([0,8,10]) cube(size=[5,12,20], center=true);
	
	rotate( 135, [0, 0, 1])
		translate([0,8,10]) cube(size=[5,12,20], center=true);
	
	rotate( 255, [0, 0, 1])
		translate([0,8,10]) cube(size=[5,12,20], center=true);
}