Raspberry Pi Bumper Button Holder

This thing mounts to the Raspberry Pi B+ Bumper case and allows you to put in a "Big red button". The button can be used for just about anything you can think of. Just write some code and you're off to the races.

Bumper case design is here: https://www.thingiverse.com/thing:629886

I use my Raspberry Pi with my 3d printer. When it is turned on, the webcam and wifi module are running, and I don't want those to be left on constantly. SO when I am done printing, I press the button and make th