This is a spool holder that lets the spool be sideways, while making it spin easy. This uses around 20 6mm (5.92mm) airsoft bbs as the ball bearings. Large tolerances integrated into design

-This spool holder only works for certain rolls of filament

-This raises the spool 3.1mm.

-No supports required

Parts:

-1x Carousel Top

-1x Carousel Base

-20x 6mm BBs