P3Steel Filament Spool Holder for Hatchbox & eSun

31MAR19: Added "no bearings" version spindle, use this with other parts here. Simply turn threaded end part tight, so the whole assembled unit rotates as one piece in the printer frame. This version works better than the ball bearing design, which rotates too freely, leading to filament falling off reel and jamming.

Remixed for use on P3Steel. Uses a 5/16-18 by 5 1/4" or M8 by 130mm bolt (download appropriate end parts). Standard skateboard wheel ball bearings are used (8mm ID, 22mm OD, by 7