This short tutorial covers how to use the Ai WriteColor node to add the output of another shader (for example the Utility shader) as a custom AOV.

The Maya scene is available here.


Final shader network




Example 1

Let's say you want to create some different mattes for your car model. The Ai WriteColor node can be a useful way to split up the model into different mattes. In this example, we will use Ai Write Color nodes for both the car paint and the windscreen glass.

Car beauty render