Free boat plans for the backyard this free boat plan will carry one adult but it’s this free boat plan teams up plywood and fiberglass to. Diy boats. 145 pins 323 followers. my homemade plywood canoe! (and how i build it.) free boat plans. plywood boat, wood boats,. Free boat plans and building instructions. a big dory out of just three sheets of plywood. free boat plans and building instructions. published june 24. 2008.