Filament guide and runout sensor using spare z-stop
thingiverse
Remix of https://www.thingiverse.com/thing:4746853 and https://www.thingiverse.com/thing:4889948. (for some reason it won't let me link both at the same time) This alters the filament sensor/guide combo so that it uses the spare z-axis limit switch that is just sitting in your printer parts drawer collecting dust. You're mostly on your own for wiring it. Check out the description on https://www.thingiverse.com/thing:3858309 for pinout and the reddit post at https://www.reddit.com/r/ender3v2/comments/lagdeu/convert_your_z_axis_limit_switch_to_filament/ for help. Top cover will just snap onto the bottom piece.
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