After following advice from a friend to make a Gobo out of a coke can, I found this site for better ways to do it. I read an earlier post about making one out of a cookie sheet, or a pie tin. Which leads me to my question; I'm designing a show, and am a little new to the game, and need to make a Gobo. The show is low budget, and it's also a two week deal, so even if budget was there I may or may not get my Gobo in time. What material works best when making a Gobo, the coke can burned out while I was focusing it today. Also, I won't be able to be at the production, due to having to set up and run sound for another event. The Production only lasts three shows, so I'm hoping to find a material that will last those three shows at least. Any help for the new guy?