# FromSmoothingGroups

> Use smoothing groups to determine which edges are smooth and which are hard.

## Definition

* **Type:** Field
* **Namespace:** [UnityEditor](/engine/6000.0/script-reference/unityeditor.md)
* **Assembly:** UnityEditor

```csharp
FromSmoothingGroups = 1
```

### Remarks

Additional Resources: [ModelImporter.normalSmoothingSource](/engine/6000.0/script-reference/unityeditor/modelimporter/normalsmoothingsource.md).