Free boat plans for the backyard home builder, plywood and wooden sailboats, rowboats, dinghies motorboats. This wood cabin can be built in one weekend with this set of free shed plans. make it easy with our step by step guide. this is part of our free shed and woodworking. Boat plans for the 40 this boat is easy to build using our downloadable boat plans. our boat plans are available for instant download so you can start building.