These free to download plans (pdf) were first published in magazines such as "popular mechanics", "popular science" and the "boat builder’s handbook".. 24 sailboats. boat plan collection. 24 different and unique boat designs. instant download access! sailboat plans for instant download! have you ever wanted to build a sailboat?. Arch davis design offers wooden boat plans, boat kits, dvds, epoxy resin, sails and rigging, masts and spars, marine plywood, and more for the backyard boatbuilder, for.