Let’s say I have a set of building models. They all use a single material that they share that pulls UVs from a texture atlas palette in order to batch them all together.
This is well and good, but what happens if I want Building_A to have a color variation, without affecting other models?
Do I use a second material that pulls from a different texture atlas? Do I use a second model with different UVs and keep the single material? Do I use a different UV channel?