The feature lets you remove unwanted geometry from a polygon mesh (for example, zero area faces or zero length edges). You can
also tessellate faces that may be valid within Maya, but not in a game console, such as concave faces, or faces with holes.
Because the feature has the ability to merge vertices and collapse zero length edges, there may be situations where the feature can output nonmanifold geometry.
This can occur when you set the options to perform multiple cleanup operations on a mesh in a cascading way.
If this situation is likely, it is recommended you run the feature multiple times and turn on the option in the section only on the last iteration.
To clean up polygon meshes
- Select the polygon mesh you want to clean up.
- Select Mesh > Cleanup.
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