If you are interested in building your own boat, then jon boat plans would be ideal. jon boats can be used for a variety of boating needs. they can be made from. Free houseboat plans, and almost free boat building plans the free houseboat plans section is here as a starting point to the world of building a house boat, and the. Diy boat plans for boat building. a lot of people who love boats are looking for diy boat plans for boat building over the internet. boat building is a very expensive.