Metallic car paint shaders can be quite an endeavoring in tinkering to set up. Although the technique and process varies from render engine to render engine. The underlying concepts are always similar. A metallic car paint shader requires multiple layers to look convincing.
how to create a metallic car paint shader in Houdini
Houdini Artist and educator Rohan Dalvi posts a look at creating a metallic car paint shader in Houdini. Rohan shows how to use Houdini’s PBR nodes to create the layers needed to make the shader.
Rohan also shows how to use Houdini’s procedural textures to create the metallic flakes for the car paint. Rohan makes the Houdini file is available on his website to download and tinker with. rohandalvi.net/blog/