MK3 / MK3S Extruder upgrade for flexible materials
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Finally, after great response, I ported the files to the platform they belong to.
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Updated at source:
Model information
- Source
- Printables
- Category
- Prusa Parts & Upgrades
- License
- Creative Commons — Attribution — Noncommercial
Finally, after great response, I ported the files to the platform they belong to.
makes higher printing speeds at flexible materials possible, retraction should work too.
Main changes to the original:
- shifted stepper position to corrected filament path
- shifted idler position to correct filament path
- constructed a filament guide to stop the filament from popping out the extruder
Print instructions
MK3S: print everything that says "MK3S"
MK3: print everything else
X-Carriages are Optional to give an even better alignment. I would suggest it if you are about to build up a new printer, or about to reassemble the X-Axis anyway. Otherwise in my opinion (and after some tests) it's not worth it rerouting all the cables.
special thanks to, gregsaun, JLTX and bastian.s for the great conversation at the PRUSA forum, see the thread here, there you can find some other ideas and designs as well:
some more detailed information about the design and some background information on flexible materials, here:
Supports: none
Resolution: 0,2mm
infill: 25-40%
Material: PET-G