Basic Hanging Wire Spool Holder

Basic hanging wire spool holder. Requires a length of 3/8" threaded rod. Openscad source provided so you can alter the hole size and height. Most of my spools measure less than 20mm from outside of the spool to the inner edge of the hole, this will support spools up to 25mm, measured the same.

I printed at 30% infill, these mounts are strong, I can shake my whole workbench by tugging on them. I used short deckmate screws, don't screw them in too hard, you can split the plastic.