This is a fairly universal method, but some people may not be aware of this site: LINK.
Yup, seen that one. If you want to make just one, that's a good way to do it. I met a guy that was building a pedal powered trike and the entire thing was built in that fashion. It was amazingly light and strong.
This is a great classic page
I love the one page setup, you cut your wooden parts, fill with foam, and slab your fiberglass on -> finished.
Easy peasy right ? did anyone say polishing until insanity ...