cylinder(h= 2,r1=23/2-2,r2=23/2); translate([0,0,2]) cylinder(h=15-2,r=23/2); translate([0,0,15]) cylinder(h=2,r1=23/2,r2=23/2+2); translate([0,0,6]) intersection() { cylinder(h=3,r1=23/2,r2=26/2); cube([30,12,10], center=true); } translate([0,0,27])scale([0.4,0.4,0.4])import_stl("heart.stl", convexity=2);