Optical Endstop - Shapeoko 2
thingiverse
I decided to put optical limit switches on my Shapeoko 2 to prevent crashes, couldn't find a preexisting one so here is one! Dimensions are mad to fit the rails of the machine but could fit others or can be modified as FreeCAD files are shared. The mount fits the end stop pictured with two M3 holes at 28mm distance. The arrow points towards a hole that can be used to mount into the rail, the other hole has a nut recess to hold the part in place. The light blocking part mounts to the plate of the runner. Picture shows pink filament, but should probably be black to make the sensor more reliable, PLA would also be fine PETG not necessary.
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