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.
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.
When cuts that aren't flat are desired the model can be manually divided into groups representing each side of the cuts. This script helps putting the cut geometry on its own layer so it can be hidden when the model as a whole is shown.