This is the body of my walking robot (quadrapod) called bibi. I will add a post later of the complete robot.

The body I drew in Autodesk Quickcad and produced it using a laser cutter device which I could use for free at the so-called fab-lab in my city Utrecht Netherlands. www.protospace.nl
The fab-labs could also be in your country, its an initiative from MIT and its pretty cool.
http://fab.cba.mit.edu/about/labs/