Filament runout housing
thingiverse
Small housing for a end stop switch to be used as a filament runout sensor. Once printend, insert a microswitch based endstop and ensure that the orientation is such that filament can pass through from top to bottom. Make sure to insert the switch as far as possible without triggering the switch. Once in place, use hot glue to secure it. The endstop can be attached to a GPIO on a raspberry pi and used with the filament sensor reloaded plugin for octoprint available here: https://github.com/kontakt/Octoprint-Filament-Reloaded
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