Shapeoko2 Arduino Uno mount

This is a mount for the Arduino Uno for the Shapeoko2 intended for the right Y axis motor mount plate, as shown in Wiring Option 3 here: http://docs.shapeoko.com/wiring_3.html

This design was based off of pieces from the following Things:
http://www.thingiverse.com/thing:33327
http://www.thingiverse.com/thing:114500

I've found the board screws in nicely to the plastic using a short #2 screw (around 1/4" or so) like this one:

http://www.grainger.com/product/Wood-Screw-1LA56?s_pp=false