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Let There Be Light(LTBL) is a script that I wrote to quickly create three-point lighting setups for Maya. It is one of the first scripts I ever wrote, and I still find a use for it.
The concept was born because I got tired of tweaking lighting setups for quick renders of models. I wanted to get a preview of models I was working on in decent lighting conditions but didn’t want to spend ages fine-tuning the lights to get the effect I wanted.
LTBL has a GUI for specifying the angles and colour of the lights you create and comes with a default layout that I am happy with. With one button, LTBL creates a key light, a fill light and a rim light, at angles relative to the camera. It creates soft shadows for the fill light and tweaks attributes for all three to get a result that looks good. All you need to do is position the camera how you want, and click “Create lights”.