Free boat plans for the backyard home builder, plywood and wooden sailboats, rowboats, dinghies motorboats. Free plans for stitch and glue boatbuilding. many good free plywood contruction stitch and glue boat plan. stitch and glue plans are good wooden boat plans for beginners.. Estimated materials cost to build the dk touring canoe (not including plywood): ~$220. click here for details about purchasing building materials..