Low-friction Spool Roller for TEVO Black Widow Top Mount Spool Holder (85mm/120mm)

"Low-Friction Spool Roller" was designed to be used with the "Top Mount Spool Holder"* by bdwalker which sits atop the TEVO Black Widow printer.

I was worried filament spools dragging on a fixed shaft might cause the extruder head to bounce, so I designed a spool tube with rollers that can be used in place of a static tube.

"Low-Friction Spool Roller" suspends the inner core of the filament spool on three rollers to let it spin freely with almost no friction. The 3D printable rollers are b