Perma-Proto enclosure

**EDIT** 8-Jan-2018: Added STL files for a smaller box, with bottom pieces to fit a quarter-sized Perma-Proto board, a Radio Shack 276-159B proto board, or an Adafruit Huzzah board. Also tweaked the pins to make them easier to print.

This box fits the half- or quarter-size [Adafruit Perma-Proto board](https://www.adafruit.com/product/571), a printed circuit board that duplicates the layout of a standard breadboard so that it's easy to make a permanent version of your prototype project without redesign.

It requires **two 1/4" #4-40 screws** to attach the board to the standoffs. I think 5mm M3x .5 would be the metric equivalent. Or you could integrate snap-in standoffs using [this library](https://www.thingiverse.com/thing:79944) - I'd like to see that.

The top attaches to the bottom with printed pins, though they may not be needed depending on how tight the top fits for you, or how loose the side panels are.

The open-frame + panel design makes it **really easy to get your ha