MMU2s Tension Screw Retention Washer
thingiverse
As of 2/14/2020, this project will no longer be updated on Thingiverse.com. Over the last few years, this website has failed to develop new features that most users actually care about, and it has become painfully slow. I will continue to respond to comments on Thingiverse but all future updates will thrive and grow on PrusaPrinters.org. https://www.prusaprinters.org/prints/3151-mmu2s-tension-screw-retention-washer UPDATE: TPU lasts significantly longer than PETG because they can wear out after a while. A similar design that you may want to consider... AbeFM designed this one. https://www.thingiverse.com/thing:3152199 You can see this project listed on PrusaPrinters.org as well. https://www.prusaprinters.org/prints/3151-mmu2s-tension-screw-retention-washer Every time I loosen up the two Idler tension screws and open the MMU2, one or both of the screws and their springs would fall out, bouncing around and playing a frustrating game of hide and seek. So I created these little guys. They are literally the smallest things I have ever 3D printed. These small retention washers hold the screws in place when the MMU2 is open, working great! I highly recommend them to everyone with an MMU2.
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