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Ender 3 runout detection switch holder
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I based my design on a thing by markj113. The switch is flipped to the other side to accommodate a ball bearing…
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Model information
- Source
- Printables
- Category
- Accessories
- License
- Creative Commons — Attribution
I based my design on a thing by markj113. The switch is flipped to the other side to accommodate a ball bearing filament guide.
This fits a standard KW3 microswitch with a long roller arm.
Runout detection can be wired into pin 27 or pin 29 on the mainboard.
You will need a small amount of PTFE tube in order to provide a smooth filament path.