Here are the walls, floor and roof of the body coming together. The ends are .020″, perhaps against my better judgement. The roof and walls are .040″, and the floor is more scribed .020″ styrene.

It’s always fun to see a model suddenly leap off the page like this. Next step is to trim and do the underframe. I thought for a long time about the frame, and finally wound up deciding to build it in place. This may be an error. I’ll let you know when I’m done.