Robin de JonghRobin de Jongh has worked as a computer-aided design professional on large and tiny construction projects for many years. He occasionally works as a freelance consulting engineer and has previously run a CAD and visualization company using SketchUp a the main design tool. Robin recently set up a SketchUp training firm through which he promotes SketchUp as the future of CAD in the Architecture, Engineering, and Construction (AEC) sector by providing training seminars and e-learning products. He blogs at http://www.provelo.co.uk. Read More Read Less