Free boat plans from "science and mechanics", links to other sites with free boat plans. free boat design resources; www.absolutelyfreeplans.com;. Boat plans catalog – 300 boats you can build! boatbuilding supplies & epoxy; “building boats from glen-l plans is simple and straight forward. Boat plans for power, sail and small boats. free boat plans. boat kits and supplies plus the best boat building selling our plans/kits! the bateau.com.