This is a paid asset, but now you can download Infinite Terrain Brush Pack for FREE, Please keep in mind this package is provided only for learning purposes or to be able to test before buying the product, NOT FOR COMMERCIAL PURPOSES.
For more detail this asset from the Unity Asset Store: Click Here
Infinite Terrain Brush Pack v1.0
“If possible, please buy the package to support the developer”
Infinite Terrain Brush Pack with 60 different brushes, that you can create your terrain. The brushes from natural mountains, underwater sand other terrain details that your terrain will be very similar as the natural terrains – hills. This tool is big help for the fast terrain creation, because all brushes include natural shapes. This package does not include the water! Features:
– 60 different brushes.
– all brushes for natural sources for the natural view.