use use module spool_holder_simple() { spoolmount_b(); // Fill in spoolmount cylinder(h=5, r=25); // Main body translate([0, 0, 5]) cylinder(h=115, r=12, $fn=200); // Base fan in translate([0, 0, 5]) rotate_extrude($fn=200) translate([12, 0]) difference() { square(10); translate([10, 10]) circle(r=10); } // Cap translate([0, 0, 115]) cylinder(h=5, r=17, $fn=200); // Cap fan out translate([0, 0, 108]) rotate_extrude($fn=200) translate([12, 0]) resize([5, 7]) difference() { square(5); translate([5, 0]) circle(r=5); } // Cap rounded edge translate([0, 0, 117.5]) torus(r_major=17, r_minor=2.5, xs=0.7, $fn=200); } spool_holder_simple();