The arbotix controller is typically used with the turtlebot arm.

There is a similar box seen on various documentation for the turtlebot arm, but the files for the arbotics controller were not ever uploaded.

This box will typically be printed along with these parts:

http://www.thingiverse.com/thing:11193

Use some M4 screws and some M4 nuts to holt the box down to the turtlebot.

Use M3 screws to attach the arbotix board to the box.