A third party software for Sketchup (windows explorer thumbnailer, mesh optimizer...)
Add scenes orthographically by entering x,y,z offsets
Bulk reset of group and component's axes.
Explodes all groups and components in model
Turn loose geometry into groups
Select all outer edges of selected geometry
Context menu access to component properties.
Generate Surfaces from curves by Lofting and Skinning
Drop groups and components onto geometry below
Adds face on X Y plane in selected groups or components. Useful for imported 2D drawings to better see their position in 3D space.