I don't mind if use it at all, it's not trademarked.....yet.
I used styrene sheets and stacked and glued them together. You can use either (3) 20mm sheets or (2) 30mm sheets to obtain the same thickness I have or make you own thickness. I traced the pattern around the body, and did the same for the spoiler, but made that a little larger. I make everything a little big and then sand it down after it is glued to the car.