Version 1.49.02 popularized the use of Render Elements (passes) within SketchUp. The ability to export a pass, a Shadow pass, and a Reflection pass allowed architects to tweak renders in Photoshop without re-rendering. This "hybrid workflow" defined the architectural visualization style of the early 2010s.
The floating toolbar contains only essential icons: Vray 1.49.02 for Sketchup