I have a sheet of textured bathroom wall paneling. I think thats what its called. I'm guessing its 1/16th-1/8th thick. i use a box knife to cut a piece I need. And then draw the template on that piece of plastic, and then cut with my box knife. I can send you a sample piece, to get a ideal of what, Im trying to tell you. You can think about it, and then let me know.