cylinder(2, d=32); difference() { translate([-12,-9,-2]) { scale(0.17,0.17,1) surface(file="logo2.png"); } translate([-20,-20,-3]) cube([40,40,3]); translate([-20,-20,4]) cube([40,40,15]); } translate([0,17,0]) { difference() { cylinder(2,d=7); cylinder(2,d=5); } }