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Core One L with MMU 3  

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PeterA
(@petera-3)
Member
Core One L with MMU 3

I've only had my printer a few months and I've done quite a few prints most of them successful, I'm still learning best practice with this machine.

I have a question regarding support material. When I need to use support material, using Sunlu PLA, I have a hard time removing the support material. I'm not sure

what to change(settings) to get it to release easier without having to use needle nose pliers.

Is this something that the MMU 3 good be used for as well as multi-color printing?

Thanks, Peter A 

Posted : 21/06/2026 6:29 pm
_KaszpiR_
(@_kaszpir_)
Noble Member
RE: Core One L with MMU 3

1..increase the offset between the supports and the model in expert settings, usually this helps

2. Yes multimaterial is exackly for that, to use another filament as support, can be water soluble or material that does not stick to the min material, commonly used PLA with PETG supports

See my GitHub and printables.com for some 3d stuff that you may like.

Posted : 22/06/2026 4:17 pm
_KaszpiR_
(@_kaszpir_)
Noble Member
RE: Core One L with MMU 3

1..increase the offset between the supports and the model in expert settings, usually this helps

2. Yes multimaterial is exackly for that, to use another filament as support, can be water soluble or material that does not stick to the min material, commonly used PLA with PETG supports

See my GitHub and printables.com for some 3d stuff that you may like.

Posted : 22/06/2026 4:18 pm
Ruebarb
(@ruebarb)
Estimable Member
RE: Core One L with MMU 3

My suggestion is to adjust your supports settings so they are more removeable, PLA is typically the easiest.  Purging between PLA & PETG is considerable, you can easily have layer adhesion issues. The MMU3 is not best for this, really was for similar materials, separate heads or nozzle are perfect for using differnent materials, especially ones that don't bond.  Zip file has 3mf with my support settings, you should be happier with these than default.

Core One L MMU3, MK3S

Posted : 22/06/2026 5:15 pm
PeterA
(@petera-3)
Member
Topic starter answered:
RE: Core One L with MMU 3

Thanks to everyone for the help, I will try as recommended.

Peter

 

Posted : 22/06/2026 6:19 pm
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