I made this recently. Here's a few pics of a Dodge Triad Trunk pannel replacement for the Spare tire tub in a Dodge Dart,... thought it might inspire some ideas.
I'm Hand Crankin',... little stone age but with patience & time you can do just as nice work as somebody wheelin' a motor. I'd like to put a steerin' wheel with a 2 sissy knobs on it instead of the hand crank. I believe it would make operations smoothest... for a manual bead roller