MMU Slot buffer – FINAL version Hi everyone, here is my new design of a MMU buffer.
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updated August 3, 2022

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Easy print and it does what it should. Perfect

There were so many other makes it didn’t seem valuable to picture mine here. I did an orange case and top ring on top of black honeycomb side panels and black handles with green lettering. The handles with green lettering I did in PLA so I could do multicolor easily And they were a little easier to smooth two parts to reduce any friction where the filament rubs underneath the middle of the handles I wanted to reduce the possibility of friction on and so far this has worked flawlessly and I love it that it has no moving parts. It really wasn’t difficult to load, my MMU was being a pain until I figured out there was a tiny hunk of filament horizontally stuck somewhere underneath the FINDA sensor and blocking the path. This design is compact, functions exactly the same in all channels, and I’m super pleased with all aspects so far. Kudos to the designer and those who added adaptions like I’m using the handle another did with PC 4M10 PTFE adapters.

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@DaveinTXK_1463626 No sadly there is not, I didn't have time since then, to make some updates. This design was also mentioned in designing new version of buffer for MMU3.

@Martin_J_6129 congrats, you have a number of thankful folks I saw in makes and comments!

What does the filament ‘rub’ against when printing and all the slack is taken up please?Is it just suspended and rubs on the ends internally of the PC4M10 fittings? Did you chamfer them if so? Thanks for a great design!

Beautiful! Haven't used it yet, waiting on my mmu3. Used the remixed handles that take the m10 fitting.

Hi there!

Got that Design from my Pre-Owner MK3S+ with MMU3!
He preferred this one!
Question: Is there a specific Order for starting with 1 to 5 or any order which
is inlet and outlet? Or just needs to be connected 1 to 1, 2 to 2...

Come inizio non c'è male! :-) Grazie per aver condiviso il progetto!!!

Has worked great so far, like it a lot more than the original Prusa buffer. I ended up using the remixed trays with threads for PC4_M10.

Super easy print, just takes time to get all the dividers printed. Well worth the effort because the buffer that comes with the MMU2s sucks.