24 lines
571 B
OpenSCAD

dia = 15;
gap = 1;
height = 10;
cone_height = 5;
module spool(height, dia, cone_height) {
cylinder($fn = 120, h = height, d = (dia - 2*cone_height));
cylinder($fn = 120, h = cone_height, d1 = dia, d2 = dia - 2*cone_height);
translate([0, 0, height - cone_height]) {
cylinder($fn = 120, h = cone_height, d1 = dia - 2*cone_height, d2 = dia);
}
}
difference() {
translate([-10, -10, 0]) {
cube([20, 20, height]);
}
difference() {
spool(height, dia, cone_height);
spool(height, dia - gap, cone_height );
}
}