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.. All power boats 16′ long and under. tech support. the best technical support: we will help you succeed! all our plans and kits come with full technical support.. Links to boat plans some free boat plans, boat building information including plywood stitch and glue. full range of boat plans from sophisticated yachts to plywood.