About this 3D model
Summary As shallower spools tend to slip of the bearings, I decided to redraw chanders Spool Holder and add a third bearing. So even smaller spools stay in place. The pin holds the bearings in place. I used these bearings, they work well https://amzn.to/2RhtRD2 Print Settings Printer: Hypercube Evolution Rafts: No Supports: Yes Resolution: 0.2 Infill: 10 %