In this TouchDesigner tutorial we're creating a PBR material from scratch using instancing and lots of post processing. The base technique can be used to make virtually any material, have a look into using the Metallic / Ambient Occlusion maps too! For pre-made PBR materials have a look here: https://www.textures.com/browse/pbr-m...https://substance3d.adobe.com/communi... You can download the file here, it includes making a text similar to the thumbnail of this video (spray effect): https://www.patreon.com/posts/68145616 One idea here to take this further could be to use the mouse or Kinect to "spray" something on the wall.