# &#x20;Fill Mesh Hole

## <img src="https://3375153115-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F5uhW8FwQpXQj8tHUULMo%2Fuploads%2FiZUuNPanG9DuKr5CKnzH%2FREBUILD_MESH.png?alt=media&#x26;token=05594596-8a8c-4b06-9f14-1c66e8abdc18" alt="" data-size="line"> Fill Mesh Hole <a href="#profiles" id="profiles"></a>

The **FillMeshHole** command allows you to close a specific hole in a mesh by filling it with new faces. This is an essential tool for repairing mesh files, especially those intended for rapid prototyping or 3D printing.

![](https://docs.mcneel.com/rhino/8/help/en-us/image/topic_illustrations/stlrepair_086.png)

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**Key Features**

* Closes individual holes in a mesh.
* Adds triangular faces to fill the gap seamlessly.
* Option to join the new faces directly to the original mesh.

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**Steps to Use**

1. Select the boundary of the hole to be filled.
2. Execute the command.

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**Command-Line Options**

* **JoinMesh**\
  When enabled, this option ensures that the new faces created are merged with the original mesh, forming a unified object.


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