I have A turbo spoiler off a wrecked car that I need to bandage for one weekend so it looks half Right {i don't have a front bumper and I don't want a tri hull effect.} So it has some missing chunks that need filled in with fiber glass. i have glass to do it but I need a way to make a form for the bottom edge. i was thinkin card board. any one with experiece in fiberglass please help me thanx, Austin P.S. it dosn't have to be pretty