Mechanical Filament Runout Sensor for Prusa MK2, MK2S
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New version of the filament sensor from NSGrimace using the snap-on design from CNCKitchen.
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Model information
- Source
- Printables
- Category
- Accessories
- License
- Creative Commons — Attribution — Noncommercial
New version of the filament sensor from NSGrimace using the snap-on design from CNCKitchen. As optical sensors usually have problems with translucent and transparent filaments, a mechanical microswitch is a good solution to reliably check for the filament.
I wanted the sensor to be as small as possible without using screws. I added several improvements to the design:
- The housing does not touch the standard idler
Screwless cover and microswitch mounting
The switch is monitored by Octoprint/OctoPi using the Filament_sensor_reloaded plugin. https://plugins.octoprint.org/plugins/filament\_sensor\_reloaded/Important: The actuation point might differ for different microswitches. You can solve this by moving the mounting rods accordingly.
Try it and leave some feedback :-)
Happy Printing!
Print instructions
Category: 3D Printer Accessories Print Settings
Printer Brand: Prusa
Printer: i3 MK2S
Rafts: No
Supports: No
Resolution: 0.15 mm
Infill: 16 %
Notes:
Printed in PETG