Ender-3 Z-axis optical endstop
thingiverse
Optical Endstop for Axis Z. Optical sensor with inversion and large (6mm) distance between transmitter and receiver: https://aliexpress.com/item/-/32728213054.html Additionally needed: Additionally needed: M3x12 bolts - 2 pieces for sensor mounting M3 nuts - 2 pieces for sensor mounting M3 washers - 2 pieces for sensor mounting https://www.tinkercad.com/things/2b9v80BxiBz
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