Lately I have been learning to use Blender and I have been modeling some low poly Smooth assets to make Environment, these assets are made with UV Map and Decals textures (these Decals are not taken from the toolbox) as soon as these textures I try to make them Stylized or Hand Painted.
I honestly don’t know, my models are not flat, they are smooth and I don’t think it would look good without the textures being Smooth, these are the differences: