Screw Hole Dimensions

I’m getting ready to work on a new robotics project that will require me to make my own pcb. Can anyone help me figure out the spacing between the screws in the pololu robot chassis?

http://www.pololu.com/picture/view/0J1452

http://b.pololu-files.com/picture/0J1452.600.jpg

I’m trying to design the right pcb so I won’t have any issues in misalignment.

Contact Pololu.