http://cad-1.com/ | Massing is a Revit tool that can be used during the conceptual phase allowing design ideas to be visualized, studied and early analyses run. What else are masses used for? Join Brian Mackey, Revit Geek, as he demonstrates not only traditional uses of Revit masses, both within a project (in-place masses) or outside a project (loadable masses), but also some nontraditional uses and when to use one over the other.