| Name | Type |
|---|---|
| meshId | ContentId |
| collisionFidelity | CollisionFidelity |
| renderFidelity | RenderFidelity |
Creates and returns a 
MeshPart with the given MeshId, CollisionFidelity, and RenderFidelity. Due to MeshPart.MeshId being read-only, this is the only method to create a MeshPart with an Id that is not already present in the place. Currently-existing MeshParts can be cloned via Instance:Clone.