@ keymaster and Maru. well.... you can still create and post 12 advanced materials(with references if possible)for newbies of corona and then specify what version it works best with. say alpha v3 - v5. these would be a day to day materials that we find ourselves using e.g 2 types of each : wood, glass, cloth, concrete, metal, organic materials(leafs for instance). just archive them up if you don't have the time to implement them into 3ds max. i doubt it would break either of yous spine as it would be extremely helpful to new comers? ;D