Filament Roller Guide - Use 2 Prusa MMU2 Trays as a 3 Filament Spool Roller
thingiverse
These simple modifications enable you to convert two of the Prusa MMU2 filament trays into holders that can accommodate three separate filament spools each. **All three spools rotate freely**. This adjustment is a great space-saver for your MMU2 setup. Parts Required - Four printed guide parts per added spool, totaling 8 pieces - Four 608 ball bearings of any type; I prefer these [metal shielded bearings](https://amzn.to/3cY5Bqo) but you may have a different preference - Two complete Prusa MMU2 filament roller trays
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