Spool Holder: Hatchbox 1kg

The spool holder file included had too much friction during printing putting unnecessary load on the extruder. I set out to make a spool holder that uses bearings for smooth filament feed. This design was based on Hatchbox 1 kg spools, it may work with other brands but I've never tried.

The required materials are:

2 Bearings: 4 mm shaft Diam, 13 mm Outer Diam, 5 mm Height
1 Shaft: 4 mm shaft Diam, 100 mm Length

Light hammer taps are required to assemble the 4 mm steel shaft to the spoo