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MMU3 or INDX for the Core One?  

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glossyio
(@glossyio)
Active Member
MMU3 or INDX for the Core One?

This was an inevitable question, right? I know it's subjective, so a bit more detail.

I bought an MMU3 a couple weeks ago, got it this week and haven't yet unboxed it for my Core One. I don't have an immediate need and am just getting into the multi-material game. Should I return MMU3 and wait for INDX. Price point seems similar at the 4-head INDX. 

I'm new to multi-material prints, and have only done several manual changes for "signage prints" where I just need to do a small first layer or 2 and swap once and done. Seems like a waste to get rid of the nextruder, but that is useless with the INDX, right? Or would a potential INDX Core One in the future be just a bit more than buying the INDX upgrade separately, as a second unit (pure speculation welcomed!)

My use case will mostly prints with same material but different colors. Though, I do have my eyes on a future doing some industrial designs that may benefit from true multi-material like combining TPU with ASA, etc. and it sounds like the IDNX would be much better suited.

Love some informed opinions and thoughts. Thank you in advance.

 

Posted : 22/11/2025 8:38 pm
Ticoune
(@ticoune)
Member
RE: MMU3 or INDX for the Core One?

Same question and mmu3 not installed yet (bought core one 22 of september with it))

Posted : 24/11/2025 3:23 am
glossyio
(@glossyio)
Active Member
Topic starter answered:
RE: MMU3 or INDX for the Core One?

For anyone else reading it... IMHO, wait for the INDX. I assume it'll completely replace the MMU3 in the future, and the MMU3 has a steep learning curve even for those that had a working Core One.

A month in to having installed the MMU3, and I haven't really gotten it dialed in and fully running where I trust it. Still having some slipping issues with the gears / nextruder, partly due to the extra tension on the "pull", I think, but there may be some tensioning to dial in. Purging just feels wasteful, and printing to objects is still a bit of a trick in the slicer. And the swapping of filaments does eat up quite a bit of time, automatic or not!

On top of that, flexible/TPU filament is not recommended, which wasn't originally on my radar, but now I kind of want to use it and am just not comfortable with monkeying around for it. I think the INDX will cover that use case because it mostly has to due with reversing the flexible stuff. 

Posted : 23/12/2025 6:03 am
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