Stitch-and-glue construction, along with the development of epoxy and modern mahogany marine plywood, has revolutionized and revitalized wooden boat building. this. Fast-g stitch and glue plywood this quick and easy boatbuilding method consists of plywood planking panels cut to shape from full-size patterns which are. Welcome to spira international home-built boat plans. spira international offers a wide variety of different power, rowing, and sailing skiffs, dories, and other boat.