Sherpa Micro Bowden for Positron
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Remixed a Sherpa micro to attach to the Z rail on a Positron and work with a Bowden setup.
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Model information
- Source
- Printables
- Category
- Other Printer Parts & Upgrades
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- Creative Commons — Attribution — Noncommercial — Share Alike
I remixed the Sherpa Micro extruder to work on a Positron 3D printer. Extruder is setup for a Bowden tube out and reverse Bowden in, has a mount point for Z endstop, and the tension screw is reversed to make the design more compact.
Included a PDF with a parts list and assembly instructions. Drive gears are Bondtech RIDGA v2, which I ordered from KB-3D.
Parts do not require supports, are exact fit so adjust for shrinkage, and minimum walls of 4 and 5 top and bottom layers. I have been using parts printed in PETG-CF for months without issues and in my tests, TPU 95a flow rate peaks at 6mm3 and Yousu HF PLA peaks at 43mm3 with a 0.5 CHT nozzle on my Positron.
Sherpa Micro github: https://github.com/Annex-Engineering/Sherpa_Micro-Extruder