Eryone ER-20 Spool Roller

Eryone ER-20 Spool Roller

thingiverse

This spool holder fits over the existing one increasing its diameter and even use large filament spools like from the Sunlu brand. This way the spool can roll easily, putting less strain on the printer and reducing vibrations during retractions. I also added teflon tape to further reduce the friction.

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