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.. Scroll down this page for many more plans. this a page of links to some favourite free boat plans at intheboatshed.net. they’ve been chosen because they are derived. All the info you need to convert your jon boat to a gorgeous bass boat. download your free preview ebook and see the drawings, schematics, and pictures!.