Old Principled BSDF for Blender 4.0

This preset provides a comprehensive shader setup tailored for the latest Blender 4.0. Notably, it includes the Principled BSDF node, which has been reintroduced in this version. The Principled BSDF is a versatile and physically-based shader node that simplifies the process of creating realistic materials by combining multiple layers and settings into a single, easy-to-use node.