Quick test render of clouds imported from https://visibleearth.nasa.gov/images/57747/blue-marble-clouds (I used the 21600x21600 png) as a heightmap with height 64, using the Cloud: white heavy material. Rendered from above in Avoyd Voxel Editor.
Useful for creating skies for renders, image use policy on their site is 'freely available for re-publication or re-use, including commercial purposes'.
