Prusa Slicer and MK3s + MMU2S - Missing Print Settings?
 
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tevashkevich
(@tevashkevich)
New Member
Prusa Slicer and MK3s + MMU2S - Missing Print Settings?

Hey everyone, 

So I bought the MMU2S recently and while I'm still sorting through the problems with filament changes etc, I've recently noticed that the PrusaSlicer when set to "Printer : Original Prusa i3 MK3S MMU2S" removes the finer Print settings such as 0.10, 0.07 and 0.05mm. These are only available when switching the MMU2S Single mode for some reason?
Is there a reason to not have/use the finer print settings when doing multimat printing or is this just an oversight?

Should I just make a dupe of 0.15 and set the heights myself to .1 and .07mm or is this likely to cause an issue?

Thanks for any help!

Posted : 28/11/2019 12:46 pm
vintagepc
(@vintagepc)
RE: Prusa Slicer and MK3s + MMU2S - Missing Print Settings?

There's a thread here on 0.05 MMU prints. It's possible, but long story short - your purge tower becomes *massive* as you have to purge the same volume of material in far less height - at 0.05 it's 1/4 the height, so your tower is 4x as big in the XY dimension. 

Also, your extrusion/retraction has to be dialled in *perfectly* or any layer start/stop under or overextrusion will be much more apparent, since the flow rate is so much lower and it takes more distance to "correct". 

Posted : 28/11/2019 1:13 pm
tevashkevich
(@tevashkevich)
New Member
Topic starter answered:
RE: Prusa Slicer and MK3s + MMU2S - Missing Print Settings?

For sure that makes a lot of sense. What I'm actually trying to achieve right now isn't actual multi mat prints in the true sense. I have some 2 colour print I want to do and not have to manually swap filaments in the middle, but I do want to have the smaller layer heights. Is there an easy way to achieve this with the mmu2s or do I have keep manually swapping

Posted : 29/11/2019 10:36 am
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