Modified MMU3 Selector (very slight)
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MMU3 Selector with two slight modification to improve FINDA clamp.
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Model information
- Source
- Printables
- Category
- Prusa Parts & Upgrades
- License
- GNU General Public License v2.0
The stock MMU3 Selector tends to break when tightening the clamp that holds the FINDA in place.
My first one broke, as it seems they made the hole larger than the previous model.
I ended up remodeling a couple features on it. First, I made the clamp relief slot approx. 3mm deeper to give more material to spread the flex across. Second, I added an 8.5mm radius fillet to soften the intersection of the rounded clamp portion and the flat surface it connects to. The new part worked fine.
You may ask why I didn’t just make the sensor hole smaller again, and the is because I figured they mad it bigger on purpose for some reason I didn’t understand.
The files also contain the blade holder as I lost my first one and had to print it again at the same time. No change were made to that.