Learn how to build yourself a boat in your backyard. our complete boat plans collection is available for free and immediate download. it is the largest wood boat. We have power boat building designs of all types such as power cats, cruisers, and more. view jon boat deck plans & boat cabin plans for more details.. Tech support. the best technical support: we will help you succeed! all our plans and kits come with full technical support. ask questions on our support web site.