Stitch and glue is a simple boat building method which uses plywood panels stitched together, usually with copper wire, and glued together with epoxy resin.. 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. Plans for stitch and glue plywood boat designs. this method of boat building uses precisely cut plywood panels "stitched" together with wire to form the shape of the.