Chesapeake marine design offers a wide range of products and services in boat design and engineering including stock boat plans, custom yacht design services. The hull is plywood, built over a jig. most of the “jig” becomes permanent structure. this is not a stitch and glue “introduction to building type of boat” if. Links to boat plans some free boat plans, boat building information including plywood stitch and glue. full range of boat plans from sophisticated yachts to plywood.