Macbook Pro Under Desk Mount

This is a mount for an older model ('07/'08) Macbook Pro. I use the macbook to run my Lulzbot Mini and my Zentoolworks CNC, and I need to mount the macbook out of the way to save space.

Inspired by http://www.thingiverse.com/thing:95566

My needs are a bit different than villekl, and so it's only a single bracket printed four times.