How to build a plywood boat. building your own plywood (stitch and glue) boat is a low cost and light weight alternative to spending $10,000+ on an expensive. 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.. Boats, portable, plywood, folding, home made, coroplast, easy, low cost, kayak, canoe, pram, utility, fishing, plans,.