Monday - day heavy, as you know. So long as any work starts on Monday. So I have - apart from today started sheathing wings.
The technology is as old as aviation. Or perhaps older, is not competent.
First the pattern.
On pattern ply cut, mark up, skins and throw wet.
And we go to dinner. And after dinner with various gums, tapes and other improvised equipment fix ply to the frame of the wing. And leave to dry for tomorrow...