Boat plans: boat plans from 36 designers and counting. sail, row, power, paddle—we are sure you will find the perfect boat.. These plywood power catamaran boat plans help you construct this modern catamaran for twin outboards. buy power catamaran boat plans & more at bateau.com!. Boat plans by mike waller yacht design. quality plans for amateur boatbuilders, monohull and multihull, catamarans, sharpies, skiffs, power catamarans and.