Accessible in Mesh Inspector, the Invert option allows you to switch the side from which a Surface Mesh is selectable and interactable. This is particularly relevant for large meshes with 100,000 vertices or more, which, due to technical constraints, are rendered as one-sided.

In such cases, only the front-facing polygons of the mesh are interactable in the 3D workspace, while the reverse side cannot be selected or hovered. It is generally non-interactable and invisible to selection tools. However, both sides remain visible by default.

The Invert feature provides a solution by flipping the side of the mesh that is interactable, allowing users to work from alternative viewing angles or interact with the "back" side of the mesh without repositioning the camera or modifying the model. This ensures greater flexibility and usability when working with large, detailed 3D meshes, particularly in scenarios where accessing different sides of the mesh is critical for analysis or editing. Additionally, the Mesh Inspector displays the vertex count and cell count of any selected mesh, helping identify whether a model is subject to this single-sided interaction behavior.

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Note: Please note that inverting the mesh can lead to differences in shading. This is minor difference of purely visual nature.

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Related entries:

• Mesh Inspector
• Surface Mesh
• Mesh: View Both Sides
• Mesh: Hover Both Sides