This script mimics the Place Highlight tool in 3ds Max.
It makes easier to place highlights on specific points of a mesh surface.

install:
Put the entire script on a shelf or run from the script editor.

Usage:
-Run the script
-Select the camera, light and object
-Hit "Start"
-Script creates the rig. Move the "HighlightPosition" Locator where you want have the highlight.
-Hit "Finish".