So I'm struggling with the wheel rim's surface material and this is what I've done:
(PBR material from Remington Graphics)
The real stuff:
(For more references check this out)
So I'd like to have a little noisy effect to make the surface a bit rough and looks more realistic, for the current one it's too shiny (what about HDR?) and it seems too smooth.
I had some attempts before this question comes out:
But I'm not sure if it's a proper setup, and should it be the surface color, or height texture feeding roughness??