Joe Sutphin's background includes more than 20 years in the machinery manufacturing industry. He has more than 14 years of�computer-aided design�experience with�more than eight�years of AutoCAD-specific experience. Joe is an Autodesk registered developer, and his work has appeared in the pages of Cadence and Cadalyst magazines. He has been programming for over 10 years, with the last�five years spent focusing on Visual Basic. In 1998, he collaborated with Microsoft on a Visual Basic application case study.