Boat plans: boat plans from 36 designers and counting. sail, row, power, paddle—we are sure you will find the perfect boat.. 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. This composite pontoon catamaran is versatile, so you can build the boat to fit your specifications. order the plan and the cat 20 kit at bateau..