Important: The add-on is currently not under development and won’t work with later versions of Blender (including 4).  The story of Material Nodes  What is the Material Nodes addon? The Material Nodes addon provides more than 40 building blocks to make your own material. You can combine these building blocks and they are multifunctional: they can be used as shader as well as masks. Therefore you can combine these building blocks to build complex materials.