this post was submitted on 04 Apr 2025
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I have a question in regards to 3d modeling for a filament slicer addon to my hotend (lemmy.one)
submitted 1 week ago by [email protected] to c/[email protected]
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So I was able to get the cad files from the good folks at micro swiss for their microswiss ng ender 3 edition. I also found a step file for a generic filament slicer. How easy would it be for me to somehow combine the two? I am okay at cad. But this seems like an undertaking, unless there's an easy way to do it. Has anyone done something like this before? The closest I've found was someone made one for the microswiss ng ender 5 edition, but I haven't been able to get a hold of the creator.

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[–] [email protected] 1 points 1 week ago* (last edited 1 week ago) (1 children)

It really does depend on your cad skill level, but basically you would need to make a mounting setup to incorporate both. it is certainly doable, but tbh I would have a look at some cad files from existing setups, and what may be involved.

to be completeltly honest, it would likely be easier to use a Stealthburner mount for Ender 3, and build a Filametrix Stealthburner which incorporates the whole cutter and extruder into the toolhead, then just make some sort of mount for thr lever trigger. some probably already exist tbh!

[–] [email protected] 1 points 1 week ago

Lol that's the part that really sucks. I just bought an armored turtle box turtle kit which comes with everything to make the filametrix, but I would hate to just get rid of the microswiss if there's another way to do this, since this machine is primarily for you and the box turtle is for switching to PLA for supports.

[–] [email protected] 1 points 1 week ago (1 children)

I'm also confused by what you're trying to do. When you say you found "the step file for a generic filament slicer", what is the model actually of? When you say "combine the two", what do you mean? Are these two parts that fit together that you want to make one model, is it two separate things that you just want attached as one piece, are they two variations of the same thing that you want parts of one on the other, etc...

[–] [email protected] 1 points 1 week ago* (last edited 1 week ago)

So the filament cutter was remixed from this:

https://www.printables.com/model/755931-microswiss-direct-drive-mmu-filament-cutter

The link to it is here: 

https://thangs.com/designer/technik.gegg/3d-model/Filament-Cutter-Base-Module%20V4-942113

The first link I sent you is someone who has combined another microswiss ng hotend with the filament cutter base, and since microswiss gave me the step file for the ender 3 version, I was wondering if this was an absolute undertaking, or if it's not as complicated as I think

If you'd like to take a look at the microswiss step file DM me and I'll send it

[–] [email protected] 1 points 1 week ago (1 children)

I'm a bit confused by the wording of this post? Is the problem that you have two .stl files that you want to edit and munge together into a new object? If that's the case, then as @[email protected] you can import them both into openscad, subtract what you don't need or intersect what you do and place them into a new part for export. You can also do this in prusa slic3r if openscad is being buggy which it sometimes is with stl imports, but it's a massive pain in the arse

[–] [email protected] 1 points 1 week ago

So the filament cutter was remixed from this:

https://www.printables.com/model/755931-microswiss-direct-drive-mmu-filament-cutter

The link to it is here: 

https://thangs.com/designer/technik.gegg/3d-model/Filament-Cutter-Base-Module%20V4-942113

The first link I sent you is someone who has combined another microswiss ng hotend with the filament cutter base, and since microswiss gave me the step file for the ender 3 version, I was wondering if this was an absolute undertaking, or if it's not as complicated as I think

If you'd like to take a look at the microswiss step file DM me and I'll send it

[–] [email protected] 1 points 1 week ago (1 children)

Do you mean with filament slicer a filament cutter?

[–] [email protected] 1 points 1 week ago

I meant filament cutter. My apologies

[–] [email protected] 4 points 1 week ago (1 children)

i am unfamiliar with the printer and parts you are talking about, and am not sure which CAD program you use, so this may be irrelevant - i apologize if so, but the question is vague enough to warrant at least a little help if i can give it.

i use openscad for cad modelling. multiple files can be imported there and moved around. little pieces can be added between them if you require more attachment points than what is available (like if its connecting two roundy bits, etc).

what do you foresee as a problem with combining these two things in CAD?

[–] [email protected] 1 points 1 week ago (1 children)

I usually use fusion/ on shape. I had no idea openscad could do something like this and I'm wondering if that's my route.

[–] [email protected] 1 points 1 week ago (1 children)

openscad is a wonderful tool if you hate using your mouse. if you prefer scripting your way to victory, it is an amazing tool.

mouse is only used to move/zoom/tilt camera, everything else is keyboard

[–] [email protected] 1 points 1 week ago (1 children)

I do know python so scripting isn't alien to me! I doubt I'll be able to do something to this caliber though lol.

[–] [email protected] 1 points 1 week ago

honestly, after import if you need a connectypiece you can probably just

translate([x,y,z]) { cube(5); }

here is the cheat sheet that i use for reference in openscad - it is quite good :)

https://openscad.org/cheatsheet/