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This feeder can handle retractions with no problems and your filament will stop slipping or grinding. You do not need to use "proprietary" Ultimaker 2.85mm filament anymore as this feeder can handle 3mm and will not deform the filament. From now on you can use 3mm filament with the stock bowden and you will have no problems with jamming.
OpenSCAD File is really ugly... needs a lot of cleanup...
The design has several problems:
You will need:
I printed the parts in PLA with 30% infill. Heatbed would be useful to prevent warping but it also worked without one. The bearing holes were a bit too large and I had to use epoxy glue to fill the space. I recommend to calibrate the printer.
non-grinding feeder for Ultimaker by jalr is licensed under the Attribution - Non-Commercial - Share Alike license.
So what's this mean?
We're sure jalr would love to see what you've printed - take a photo and share it on Thingiverse as a Make.
To post a Make simply visit this Thing again and click I Made One to start uploading your photo. You can also download the Thingiverse Mobile app (available via Google Play and Apple App Store) to take a photo and upload your Make right from the app!