To apply the Edge Cartoon shader:

1. Drag the Edge Cartoon shader from the Asset browser and drop it on a model in the Viewer window.
2. Select Replace, Replace All, or Append to specify how the shader reacts to the other surfaces on your model.
3. In the Edge Cartoon shader settings, select a color and width for the outline, and choose on which edges you want the effect to display.

See also the Mesh Tessellation preference settings in the Shading preferences, for information on tessellation and the Edge Cartoon shader.