A simple spool holder made of some hardware and printed parts.This set allows you to build a fully adjustable spool holder.You need this hardware: four M6 rods (20cm), 16 nuts, 16 washers.And some printed parts: four "cylindersmall.stl" that you download from this page. And four frame-vertex by bwevans, that you find here: www.thingiverse.com/thing:16347I didn't need to build support material for printing the cylinders. The cylinders can be easily moved on the rod to fit the size of the spool. They work like bearings, but are cheaper.