Design can be found on the thingiverse link. It consists of a top and bottom case. Here's a dropbox link for both STL files: https://www.dropbox.com/sh/37qv7aa2mhaaksi/AABAxQk-0hbKP5vB4kd6yxfAa?dl=0, also here's the original Thingiverse link: http://www.thingiverse.com/thing:1456385