Step-by-step. my boat build resembling the amazing curves of the riva range. all plans were self thought of from my imagination, self draw and self cut. If you are looking for a way to build an inexpensive boat you should definitely consider plywood boat plans. using plywood is one of the best ways in which to build a. A site dedicated to amateur boat building, with an on-line catalog of boat plans and kits, bulletin board, project registry, builder photos, news letters,.