The vacuum forming table will be a nice asset. To do the Beetle, all you need is a couple of fenders to hang on the wall.
I'd finally found this magazine from 1981. Here's the fender lip line I was thinking of:
It's not as easy as Harry Bradley made it look, there is a ~1 1/4" height difference from the front to the back at the bottom edge of the opening. And that finicky little tail to merge with the fender line.