Realistic 3d clouds with shading and lighting.
Presented in OpenVDB format, which opens by Vray 3.2 VolumeGrid object or FumeFX 4. Created in Houdini 15 PyroFX.
There are 9 separate cloud grid objects in scene, you can easily combine them in a complex puffy clouds.
All clouds have realistic shading, so you only need to merge Grid objects to your scene with any type of lights.
To load grid file you need to set correct path to *.vdb files, in the input rollout of VrayVolumeGrid object.
There are two additional files in archive - gradient and opacity preset, that you can load in volume grid render settings, just in case.
If you are using standart lights, don`t forget to turn on checkbox 'atmospheric shadows' in light parameters.