Boat plans for power, sail and small boats. free boat plans. boat kits and supplies plus the best boat building technical support.. Note the classic barrelback transom just like the original boats of the past, and it’s easy to build using our plans especially intended for do-it-yourself builders. Tnt plans & patterns plus one extra set: order this if you want an extra set of plans & patterns included (only 1/2 price for the extra set).