<p>Right-angle holder or bracket for Optek OPB917 opto-interruptor sensor.
Sensor center is held about 44 mm above surface. Sensor mounts to
bracket with 2x M3 or 4-40 screws, bracket mounts to surface with M4 or
similar screw. Two versions provided: with a closed mounting hole, and
also a slot which makes it easier to install and remove.OpenSCAD file
included for customization. This was designed for use with this
motor/pulley/slotted wheel assembly: <a href="https://youmagine.com/designs/pulley-slotted-wheel-for-4rpm-gearmotor" rel="nofollow" target="_blank">https://youmagine.com/designs/pulley-slotted-wheel-for-4rpm-gearmotor</a><a href="http://www.thingiverse.com/thing:608911" rel="nofollow" target="_blank"></a></p>
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