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This property determines how the collision model of the TriangleMeshPart relates to the actual geometry of the mesh. In situations where the collision model of a mesh is unimportant or precision isn’t necessary, it is a good idea to set CollisionFidelity to ‘Box’ to improve performance.

This property cannot be read or manipulated by scripts during run time.

How CollisionFidelity Works

Enum/CollisionFidelity has three options, the results of which are demonstrated in the image below.

Collision Fidelity

A visual representation of a MeshParts collision model can be viewed by enabling PhysicsSettings/ShowDecompositionGeometry in Roblox Studio’s Settings.