Customized version of http://www.thingiverse.com/thing:1519333

I edited the above box to fit on to a motion sensing light switch cover using the two screws that hold the cover to the actual light switch so that if you want the light off, you close the door to block the motion sensor.

This thing was made with Tinkercad. Edit it online https://www.tinkercad.com/things/4hd3HdpbYFq