Stitch-and-glue construction, along with the development of epoxy and modern mahogany marine plywood, has revolutionized and revitalized wooden boat building. this. Boat plans for a 20′ trailerable plywood fishing dory for outboard power.. While a trailer won’t be included in the kit package, one of the key features of the design is that it can fitted on nearly any trailer. "we started with the cheapest.