Splatter.Terrain is a toolkit for modifying and texturing terrains in Unity.
To add to your Unity project go to the Package Manager, click the plus in the top left of the window. Select git URL and enter: https://github.com/ormesam/splatter.terrain.git?path=/src/Assets/Splatter
- Terrain Painter - A simple height based texturing tool for terrain. Add your textures, set the height and angle limits, and SPLAT!