Copper doesn't stay that pristine for very long. Oxidization will soon turn its surface green. Often, this will happen in varying amounts across the surface because of material differences between plates and because of damage to any protective coating, as well as natural variations in weathering. All these things can help add artistic interest to a copper material, so let's see how to add some copper weathering to our material simulation.
copper-turret-05.blend created at the end of the previous recipe or download a pre-created file from the Packtpub website.
We can start by applying a green color that blends with the copper color to give more oxidization ...