... is a rugged one-piecewelded steel frame, stress relieved and precision machined.2,The working surface is 1PVC with a high-flow ... air grid pattern. Upon isatallation, the surface is machined in place to insure a flat surface.3,The gantry ... .Material handled by Signkey Flated Bed CutterStyrene, Poster Board, Foam Core, Gator Foam ( up to linch thick), Wood, PVC, Plexi-Glass ...