Originally Posted by SeanB95YJ
might be better to make the plastic one as a mock-up, then use that as a plug to form a fiberglass dash over.
Without welding skills, fiberglass is the cheapest and easiest material to use. I will caution you that you do need to reinforce fiberglass, but designing and laying glass is as simple as using a cardboard form, some mold release, and the time and effort to lay the mat and mix the juice. Just make sure SURE you mix it in correct proportions thoroughly or you will end up with a sticky gob of crap.
ask me how I know...