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  "identifier" : "/documentation/ARKit/ARMeshAnchor",
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# ARMeshAnchor

An anchor for a physical object that ARKit detects and recreates virtually using a polygonal mesh.

```
class ARMeshAnchor
```

## Overview

ARKit subdivides the reconstructed, real-world scene surrounding the user into mesh anchors.

Mesh anchors constantly update their data as ARKit refines its understanding of the real world. Although ARKit updates a mesh to reflect a change in the physical environment (such as when a person pulls out a chair), the mesh’s subsequent change is not intended to reflect in real time.

## Topics

### Accessing the Mesh

[`geometry`](/documentation/ARKit/ARMeshAnchor/geometry)

3D information about the mesh such as its shape and classifications.

[`ARMeshGeometry`](/documentation/ARKit/ARMeshGeometry)

Mesh information stored in an efficient, array-based format.

## Relationships

### Conforms To

[`CustomDebugStringConvertible`](/documentation/Swift/CustomDebugStringConvertible)

[`NSCoding`](/documentation/Foundation/NSCoding)

[`NSSecureCoding`](/documentation/Foundation/NSSecureCoding)

[`CustomStringConvertible`](/documentation/Swift/CustomStringConvertible)

[`ARAnchorCopying`](/documentation/ARKit/ARAnchorCopying)

[`Sendable`](/documentation/Swift/Sendable)

[`CVarArg`](/documentation/Swift/CVarArg)

[`Hashable`](/documentation/Swift/Hashable)

[`SendableMetatype`](/documentation/Swift/SendableMetatype)

[`Equatable`](/documentation/Swift/Equatable)

[`NSCopying`](/documentation/Foundation/NSCopying)

[`NSObjectProtocol`](/documentation/ObjectiveC/NSObjectProtocol)

### Inherits From

[`ARAnchor`](/documentation/ARKit/ARAnchor)

---

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