Turtlebot 2 mini-ITX side mount interface

This is an interface between the turtlebot2 mounting plate and a mini-ITX wall mount interface made by natpie (https://www.thingiverse.com/thing:1926900). It is made to hang off of the side but the hole patterns allow it to be used on other sides of the turtllebot. It can be used along with his miniITX wall mount to mount mini-ITX motherboards or mini-ITX Android dev boards to the turtlebot and hanging it off of the side.

In the pictures above, I customized natpie's ITX wall mount to be shorter and added some fillets in a few places. I also removed the IO shield interface.