Hello, I am using Sketchup mainly for designing new and replacement parts for radio control airplanes. I am retired in 2005 from Lawrence Livermore National Laboratory, where I served as an Electromechanical Technician on multiple R&D projects and provided expertise for Physical Vapor Deposition processes. Designed multiple high vacuum systems and supervised their construction. Graduated from Metropolitan State College with Electronics Technologist degree. Currently live near Kansas City, MO.