Pantograph plans

I'm tryuing to find plans to build a router or dremel pantograph. Take a
look at the 'Inlay Machine' picture on this website. Doesn't look like too
awful much to it, but for nearly 2 grand, I'd like to try and build my own.

http://www.uniqueinc.com/

Here's another picture of a similair machine:

http://www.poolcueinlaymachines.com/fullview1.jpg

Thnaks,
Todd L