Prusa MMU2 Reinforced Idler
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This is a reverse engineered Prusa MMU2 idler with a few changes.
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Model information
- Source
- Printables
- Category
- Prusa Parts & Upgrades
- License
- GNU General Public License v3.0
This is a reverse engineered Prusa MMU2 idler with a few changes.
As I've cracked 2 of the original ones and had some issues with idler bearings being a little too loose, I've drawn this in Fusion basing on original. Fit and size are the same.
The changes are:
- reinforced shaft connector (no more cracking)
- wider channels going lengthwise (easier disassembly if needed)
- tighter bearing channels
WARNING:
As the shaft connector part is beefier, you'll need slightly longer screws. M3x12 from the MMU2 spool holder fit perfectly, but check if you have enough clearance to turn the idler before you turn on the printer!!!
Print instructions
Printer Brand: Prusa
Printer: i3 MK3
Rafts: No
Supports: No
Resolution: 0,1-0,2
Infill: 30-40%
Filament: Prusament PETG