Filament runout sensor for reverse bowden
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This is a filament runout sensor designed to be inserted on a reverse bowden setup (on the feed-in tube to the…
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Model information
- Source
- Printables
- Category
- Other Printer Parts & Upgrades
- License
- Creative Commons — Attribution — Noncommercial
This is a filament run-out sensor designed to be inserted on a reverse bowden setup (on the feed-in tube to the extruder).
I designed it for my Muldex 3D printer.
Details about the printer: https://github.com/3dprintingworld/MULDEX
Edit: The “standard” body is designed for 2mm inner diameter tubing. I added a variant for 3mm ones. The outer diameter should be 4mm in both cases.
Edit 18/12/2021: I got a few false triggering events on the “3mm” body version, so I moved the sensor placement 0.2mm up in the body.
Other hardware I used:
- a Panasonic AV38523 switch
- 2 PC4-M10 pneumatic fittings