Neptune 4 Pro / Plus / Max Filament Sensor Housing (PTFE PC4 M6 - Reverse Bowden Upgrade)
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This remix is a Neptune 4 Pro/Plus/Max filament sensor mount with PC4-M6 threading for a Reverse Bowden dry box setup.
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Model information
- Source
- Printables
- Category
- Other Printer Parts & Upgrades
- License
- Creative Commons — Attribution — Noncommercial — Share Alike
Requirements: You will need two 25mm M4 screws for installation.
I bought the Bowden parts on Amazon as a kit: https://www.amazon.com/gp/product/B0CMQN1681/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&th=1
This remix of the Elegoo Neptune 4 Pro/Plus/Max filament sensor mount includes PC4-M6 threading for PTFE tubing, enabling a Reverse Bowden system for better filament management with filament dryers. The design incorporates integrated risers to fit the 25mm screws securely.
I sliced 7mm from the bottom of the model, printed the pieces separately, and assembled them using glue for added durability. This upgraded mount improves feeding efficiency while maintaining compatibility with the original mounting system. I printed this model with Rapid PETG filament from Elegoo.
Note: If your filament is getting stuck at the sensor, make sure the filament is not kinked and try cutting the end at an angle.
You may need to detach the tubing at the print head when loading the new filament.
Credits: This design incorporates elements from the PC4printheadMOUNT.stl by MuteKnee3D and the Creality Space Pi PTFE Adapter by lukas_r. Both inspired the integration of PTFE threading and improved filament management features in this remix.
Sliced .3mf included.