Model originally uploaded to Thingiverse at https://www.thingiverse.com/thing:5831424.

Triangle spool holder, based on the universal spool holder by Mihai Design but with a moving and swappable roller

EDIT: updated roller to block the bearing so it stays flush with the roller side surface

Optimized for 0.6 nozzle

BOM:

• n° 2 22x8x7 bearings
• n° 2 M8 washers
• n° 1 M8 threaded rod (13cm more or less)
• n° 3 M8 autolocking nuts