# ModelImporterSkinWeights

> Skin weights options for ModelImporter.

## Definition

* **Type:** Enum
* **Namespace:** [UnityEditor](/engine/6000.3/script-reference/unityeditor.md)
* **Assembly:** UnityEditor

```csharp
public enum ModelImporterSkinWeights
```

## Remarks

In order to import more than 4 skin weights per vertex, set [ModelImporter.skinWeights](/engine/6000.3/script-reference/unityeditor/modelimporter/skinweights.md) to [ModelImporterSkinWeights.Custom](/engine/6000.3/script-reference/unityeditor/modelimporterskinweights/custom.md) and set [ModelImporter.maxBonesPerVertex](/engine/6000.3/script-reference/unityeditor/modelimporter/maxbonespervertex.md) to the required number. You may also limit the number of bones to less than 4, or set a threshold for the weights via [ModelImporter.minBoneWeight](/engine/6000.3/script-reference/unityeditor/modelimporter/minboneweight.md).

Note that you must set [QualitySettings.skinWeights](/engine/6000.3/script-reference/unityengine/qualitysettings/skinweights.md) to Unlimited in order for additional skin weights to be used.

## Fields

| Value                                                                                        | Description                                                   |
| -------------------------------------------------------------------------------------------- | ------------------------------------------------------------- |
| [Custom](/engine/6000.3/script-reference/unityeditor/modelimporterskinweights/custom.md)     | Import a custom number of bones per vertex.                   |
| [Standard](/engine/6000.3/script-reference/unityeditor/modelimporterskinweights/standard.md) | Import the standard number of bones per vertex (currently 4). |