the archive contains two files high poly and low poly model there are also three options for setting the material you can control the material using the Corona volume mtl parameter Distance.
cloud_02
$2.50
- Name: cloud_02
- Platform: 3dsMax 2015 + obj
- Render: Corona
- Size: 11649kb
- Style: Modern
- Materials: #
- Categories: Architecture + Environment elements
- 3D Model ID: 2892180.5edff4e6b708e