Ender 3 - Tyfo's flexible extruder with fitting
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Solution to Ender 3 ever failing pneumatic fitting, also makes it easy to print TPU on factory extruder.
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Model information
- Source
- Printables
- Category
- Creality Parts & Upgrades
- License
- Creative Commons — Attribution — Noncommercial
This remixed model presents two benefits that original one does not have:
- stops the PTFE tube from slipping out when tightened properly;
- the inner lip/cone/spike at the gear side makes it way easier to print TPU as the “noodle” does not escape to a side;
Printing tips that worked for me:
Extruder part: lay flat as it is, print with supports (it's a pain, I know, but it's doable AND worth it), use the tiny wrench supplied with the printer to tighten thee nut;
The nut: print as is (i.e. thread up).
Mine were printed in PLA initially and there were no issues with it, however at some point I moved all my 3D printed parts to ASA which obviously worked exactly the same but in theory was less prone to temperature deformation.