Exclusive content on my patreon: https://www.patreon.com/EloiAndaluz wParallax and free interiors (affiliated link) : https://gumroad.com/a/953160819/KjTYk Download the final scene file on my patreon. Originall OSL windowBox: http://julius-ihle.de/?p=2451 In this tutorial we will see how to use parallax inside a shader to create the illusion of a 3d interior over a plane. We will see basic OSL manipulation, and how to use the existing lowlevel OSL shipping in 3ds max to add all types of randomization using one single material.