Free boat plans for the backyard home builder, plywood and wooden sailboats, rowboats, dinghies motorboats. Free plans: absolutely free plans (links to free online boat plans) ariawood boat works (plywood punts, jonboats and one-sheet boats) architectura navalis mercatoria. Isn’t she cute?! this really was a very simple build… with the right tools! i teamed up with my sweet friend ana for this build to bring you guys free plans to.