Tool for creating eye-rays for a camera
Easy and fast way to make raytracing visible. You can see what will be reflected on the selected face BEFORE you've ever pressed the render button.
This is very usefull at the lighting process to place lights and reflectors.
Sometimes you will be surprised were the rays trace to.
Functionality:
The tool creates rays (splines), which are traced from the camera over the selected faces of an object.