Built out of 2x4 3/16" tubing, with homemade screw jacks for raising the casters off the floor and leveling. I'll build bolt-on clamping jigs to secure/support the work on the table.
Its 4' x 10', and heavy as hell so it should help to keep the chassis true (I hope).
![Image](http://i.imgur.com/8OjXIt6.jpg)
![Image](http://i.imgur.com/mvba2pu.jpg)
![Image](http://i.imgur.com/zqTvbRJ.jpg)