Green valley boat works canoe and kayak plans for sale we sell plans for contemporary, high performance canoes and kayaks from a full range of designs by john winters.. Cedar strip building newsletter. our newsletters will contain sale information, technical articles, frequently asked questions (with the answers of course!), company. Design software: 3dboatdesign (cad ship, yacht and boat design software) aerohydro (marine design and modeling software and services) aerologic (lofting, simulation.
