More door panels..
I would like to build some door panels for a 37 Ford Tudor. I want to add a 6 1/2" speaker to it, but don't want it to be stuck inside the door. I was thinking of something like in the picture. Do you think I could use 2" rigid styrofoam and taper it down?? The door pull I was going to use 1/2" plywood on top of each other to make the pulls. In the end where it bends down. I want to put in the switch for the power windows.. Will the styrofoam work??, or do you think glass is better??