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.. 12ft length overall by 4ft beam, by 400lbs displacement, designed for stitch and glue construction using 1/4in or 3/8in 4ft by 8ft plywood if you build this boat. This boat is easy to build using our downloadable boat plans. our boat plans are available for instant download so you can start building right away..