RE: Scale Gee Bee Z question.
Covering was a bit of a challenge for me (this is my first plane).
I tried to cover with as few pieces as possible, starting from the bottom up, from the back forward, as I thought the seams between pieces would be more apparent - they're really nearly invisible (I used MonoKote).
It worked out quite well for the most part. I only have a small pair of wrinkles on either side of the hood.
Here are my sketches. After I made the sketches, I added dimensions by measuring the plane with a sewing tape measure, then made templates out of newspaper to try it on for size. Since you want overlap in most cases, there are few critical dimensions.
You can mess with the brightness and such to get them to show up better...