aMESS Ramps Base for RepRap

This is part of the aMESS Arduino Modular Enclosure Stacking System. It is designed to fit an Arduino MEGA, RAMPS shield, and 40mm Fan.

The fit on the current version seems a bit snug now that I've had a chance to print one. I'm going to add a bit more room around the edges. I also neglected to put a hole for the reset button and the fan mounts, and the standoffs in the back should not be where they are. The MEGA is only 4 inches long. I should also open up the front a bit and add a brid