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# init(device:)

Creates a SceneKit face geometry for rendering with the specified Metal device object.

```
convenience init?(device: any MTLDevice)
```

## Parameters

`device`

The Metal device to use for rendering the geometry.

## Return Value

A new SceneKit face geometry, or `nil` if the Metal device is unavailable or ARKit face tracking is not supported on the current device.

## Discussion

A newly created [`ARSCNFaceGeometry`](/documentation/ARKit/ARSCNFaceGeometry) instance represents a neutral, generic face; use the [`update(from:)`](/documentation/ARKit/ARSCNFaceGeometry/update(from:)) method to deform the geometry to match a specific facial expression or face shape.

The geometry contains a single geometry element; as such, assigning more than one material has no visible effect (see the inherited <doc://com.apple.documentation/documentation/SceneKit/SCNGeometry/materials> property).

Calling this initializer is equivalent to calling the [`init(device:fillMesh:)`](/documentation/ARKit/ARSCNFaceGeometry/init(device:fillMesh:)) initializer and passing <doc://com.apple.documentation/documentation/Swift/false> for the `fillMesh` parameter.

---

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