Makergear M2 bearing spool holder

This is a low-friction spool holder for the Makergear M2.

I made it as an addition to the awesome elevated spool holder by slipshine:

https://www.thingiverse.com/thing:37210

I was having trouble with Ninjaflex & Polyflex not extruding properly, and having adjusted every setting under the sun, I finally realised that the tension on the filament (as the extruder was trying to pull upwards on the half-kilo spool, which was on a standard side-mounted spool holder) was too great nad the flex