In the fast-paced world of CAD software, "newer" is almost always seen as "better." Yet, in the corner of the internet occupied by architects, woodworkers, and digital hobbyists, one specific legacy version refuses to die: .
SketchUp 6 is "hot" in a historical sense because it was the (Google acquired @Last Software in 2006).
SketchUp Version 6: A Look Back at the "Hot" Era of 3D Modeling