You could get some 1/8" ABS sheet from a plastics supplier. Smooth on one side, pebbled on the other, and in colours too. Cuts with normal saws, can form in a brake, and will heat form and retains shape. Plus it glues with ABS plumbers glue, marvelous stuff, and not too pricey.

Last edited by rustbuckett68; 11/23/16 12:25 PM.