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Looking for Core one + with MMU3 compact solutions!  

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soulbladeofdawn
(@soulbladeofdawn)
Eminent Member
Looking for Core one + with MMU3 compact solutions!

I love having multi material printing, and I love the compact nature of the Core one. When it comes to the buffer and spool holder of the MMU3, the compact nature of the printer is pretty much lost. I am hoping some of you out there might have ideas on how to keep the spool holders and the MMU3 all in one neat package.

In my head this looks something like the set up that the INDX upgrade has for spool holders, with the buffer somehow incorporated on the lid. What kinds of mods are you guys aware of that might do something like this? Ideally with minimal loss to print reliability.

Postato : 19/02/2026 11:03 pm
FoxRun3D
(@foxrun3d)
Illustrious Member
RE: Looking for Core one + with MMU3 compact solutions!

Not sure this counts as "compact" but it's space efficient for me, with multiple Core Ones side by side. I got rid of the buffers a long time ago. My current setup is:

MMU 3 mounted via https://www.printables.com/model/1283543-prusa-core-one-mmu3-install-and-mmu3-setup

Filamentalist rewinders. I've tried too many highly praised rewinders, and this is the only one  that worked 100% reliably in my hands

Rewinders mounted on the wall via a RepRack  shelf  

 

Formerly known on this forum as @fuchsr -- https://foxrun3d.com/

Postato : 20/02/2026 1:07 am
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