If you want to see his progress or lend a hand, check out the google group he started for the schematics, code, and forum discussions. There is already a CNC project for Arduino called Grbl but ...

An interesting Arduino project has been published to the Instructables website showing how an Arduino CNC shield and controller has been used to create an awesome 3 axis Arduino CNC plotter.

make G-codes and control the machine using free, open source programs.” For full instructions on how to build your very own Arduino CNC foam cutting machine jump over to the How To Mechatronics ...