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.. "i finally finish my 15′ dinghy from your plans. today, my son and i took the dingy out on her first main voyage. overall, the boat is very responsive, stable enough. Following is an assortment of boat plans. these plans are not for the novice woodworker. building a boat from a set of boat plans requires a good knowledge and a lot.