The SketchUp Essentials SketchUp Trainer http://www.thesketchupessentials.com/ Curating and deploying extensions into your modeling workflow is almost like strapping Batman’s utility belt onto SketchUp. Just when you need a grappling hook; it’s there. But there are a TON of SketchUp extensions, so where should you start? What kinds of extensions should you definitely be testing out? Justin Geis is a professional extension sommelier, and will be your guide on this taste-test of some of the most powerful extensions out there.