Invert Mesh in the Mesh Inspector switches the side of a Surface Mesh used for one-sided hover and selection interaction.
This is particularly useful for large meshes with 100,000 vertices or more, where interaction is limited to one side for performance reasons. Only the front-facing side can be hovered or selected, although both sides remain visible by default.
Invert Mesh switches which side is interactable. This allows you to work from alternative viewing angles or interact with the back side of the mesh without repositioning the camera or changing the model's position or orientation.
The Mesh Inspector's Cell Count and Vertex Count can help determine whether a mesh is subject to this behavior.
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Note: Inverting a mesh can produce minor visual differences in shading. It does not modify the source geometry.
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