union() {
    
    color("purple",alpha)translate([0,0,0])sphere(r = 2.7, $fn=150, center = true);
    difference() {
    color("pink",alpha)cube(size = 5, center = true);
    color("pink",alpha)translate([0,0,2])cube([4,4,15], center = true);
    color("pink",alpha)translate([0,0.6,0])cube([4,15,4], center = true);
    color("pink",alpha)translate([0.5,0,0])cube([15,4,4], center = true);
}}