use //m15n3(); motorSupport(); module motorSupport(){ difference(){ union(){ linear_extrude (height=19) import (file="motor-dc-m15n.dxf", layer="support", $fn=100); translate([0,0,-2.99]) linear_extrude (height=3) import (file="motor-dc-m15n.dxf", layer="support-front", $fn=100); } union(){ translate([-14.8472,0,0]) rotate([90,0,0]) cylinder(h = 8, r = 1.5, $fn=100); translate([14.8472,0,0]) rotate([90,0,0]) cylinder(h = 8, r = 1.5, $fn=100); translate([-14.8472,0,16]) rotate([90,0,0]) cylinder(h = 8, r = 1.5, $fn=100); translate([14.8472,0,16]) rotate([90,0,0]) cylinder(h = 8, r = 1.5, $fn=100); } } }