This texture is FREE for personal and commercial use!
It can be downloaded at
https://www.texturecan.com/details/175/
It's foam of a black coffee such as americano. A good coffee comes with a layer of crema and this texture has no exception.
There are large and small bubbles scattering around edges. It is the natural phenomenon. Bubbles tend to adhere to surface.
This is a seamless and tileable PBR CG texture for 3D artists.
Each package usually includes a Base Color Map / Diffuse Map, Normal Map, Roughness Map, Displacement Map, Metallic Map (Metals Only) and Ambient Occlusion Map.
The texture maps are applicable to Blender, Sketchup, Maya, 3D Max, Cinema 4D, Unity, Unreal etc.