Andrew Price has a look at how to create imperfections in your Blender render. Andrew shows how to use Blender’s Texture Painter and cycles nodes for creating realistic rust on your models.
[pullquote]Discover how to add rust to any model using Blender’s built-in texture painter and cycles nodes.[/pullquote]Andrew covers how to paint a texture mask that you can use to determine where things will go, and how to add paint chips and scraps to any model in Blender easily. Andrew even makes a case for why hand painting will beat out tiling or procedural shader effects every time.
Have a look at the tutorial for how to make rust in Blender here.
