Boat plans for the 11 this 11′ skiff is a smaller version of the popular 13′ j – skiff. if you need a small, affordable and simple workboat this is the boat for. Free rowing boat plans for the backyard home builder, build your own rowing boat, dory, folding dinghy or pram using these simple plywood designs.. How to make the most out of your one sheet boat. the ultimate one sheet boat, prism: discussion on maximising the displacement. free boat plans and building instructions..