A really neat site of plans and writings that any aspiring wooden builder should check out.
Hannu Vartial has many "one sheet" boats (to be built from one sheet of plywood. He has some interesting ideas on an nearly "origami" style one sheet plywood boat that is certainly worth a look.
His designs range from the small, but nice dory plans:
To the tiny and humerous:
Check out Mr. Vartial’s writings and articles also!