How To Use Unity's “Tile Palette” To Paint Tiles Into Your Scene | by Adam Reed | Medium
GitHub - acoppes/unity-gameobject-brush: Unity's Editor GameObjects Paint Tool for 2D Games. It contains both a custom window for objects palette + a customizable brush for paining.
I made a set of shaders in Unity that paint a scene using brush strokes (more examples inside) : r/Unity3D
Brushstroke-Shader - Unity Forum
Unity - Manual: Paint Texture
2D/3D Paint - PAINT ON ANY OBJECTS IN UNITY! - YouTube
Tilemaps! How To Paint With Tiles In Unity! [Beginner Tutorial Unity3D 2019] - YouTube
Unity - Manual: Brushes
Where are the brushes and how do I create a custom one? - Unity Forum
2D Extras - Prefab Brush gone?? - Unity Forum
Is it possible to make a randomly rotating terrain texture painting brush in Unity? - Game Development Stack Exchange
Creating and Working with Prefab Brushes in Unity (2D Extras) | by Marcus Ansley | Medium