Planar and non-planar polygons
 
 
 

A polygon face is planar when:

A polygon face is non-planar when:

In general, you should try to create planar polygon faces on your polygon meshes whenever possible. Non-planar polygon faces may render incorrectly in your final images or when exported to an interactive video game console. For example, a visual shaded line or an unwanted spike may appear on the polygon mesh where it has been subdivided for rendering because it is non-planar.

Maya provides the following features to help you avoid non-planar polygon faces in your polygon meshes:

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