Creality Ender-3 Filament Spool Holder

thingiverse

Creality Ender-3: Spool Holder with ball bearingsFor smooth, low friction, vibration- and dust-free filament unrolling. Fits on original Ender holder. For spools with hole diameter at least 46mm and up to 63mm width.You'll need also:two 6200 ball bearings (30mm outer diameter, 10mm inner diameter, 9mm thickness),one M10x100mm bolt,one M10 nut,one piece of aluminum/steel/plastic tube, a bit over 53mm in length (I used 53,4mm)Assembly:press one of the bearings into the roll,insert the bolt into that bearing and put the tube on the bolt inside the roll,put the second bearing on the bolt and press it in place so the tube is being held in place by bearings,remove the bolt and assemble everything on the printer.The front cap serves as a thumbscrew.