MMU3 Spool Roller Upgrade for Sunlu 250g spools.
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Widens the spool rollers on the MMU3 trays. This allows smaller diameter 250g spools to roll freely on the rollers.
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Model information
- Source
- Printables
- Category
- Prusa Parts & Upgrades
- License
- Creative Commons — Attribution — Share Alike
This model clamps on to the Aluminum Rollers from on the 5 trays provided with the MMU3. The 250g spools from Sunlu will not fit on the stock rollers, and will drag on the tray. This is due to smaller diameter. These use the stock parts
These clamp on and make the rollers wider. They require M3 hardware, at least 2x M3x6mm and the associated nuts, but all 4 corners would work better. Organic supports are recommended for the tunnel. Print in PLA+ or PETG. Smaller layers will allow the spool to spin better with less resistance.