Filament Spool Bearing Rack

thingiverse

This design is built on reusing the bearing hardware that comes standard with the Sidewinder, specifically the bearings (5mm inner diameter, 15mm outer diameter). Higher resolution on the spindle will give it a smoother interaction with the filament roll. Alternatively, you could wrap the spindle in fabric to achieve this smoothness if desired. I'll also provide a model for printing the entire spindle if you'd prefer to print it in an orientation that doesn't necessitate splitting it in half with locking pins like I did. The halved spindles assembly requires two of these pins.