Traditional, double-paddle, and decked canoes that you can build. stitch and glue and strip-planked designs.. Stitch-and-glue boatbuilding learn introductory and advanced modern plywood boatbuilding techniques suitable for heavy-duty boats. john harris—august 20–26. 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..