Tutorial + Examples: http://www.creativeshrimp.com/lighting-tutorial-atmospheric-effects-dust-book-10.html This render is my attempt at capturing the mood of the dusty attic, by using volume lights. I think that when you are creating old abandoned interiors, dust in the air is a key to believable image. These tiny particles, that catch the light, give an enormous boost to the realism of your scene. Software: Blender, Cycles, Photoshop