# ClothBoxShape Shape representing a box. ``` struct ClothBoxShape ``` ## Topics ### Creating a box shape [`init(size: SIMD3)`](/documentation/RealityKit/ClothBoxShape/init(size:)) Creates a box shape with the given size. ### Accessing the dimensions [`var size: SIMD3`](/documentation/RealityKit/ClothBoxShape/size) The size of the box along each axis. ## Relationships ### Conforms To [`Equatable`](/documentation/Swift/Equatable) [`Sendable`](/documentation/Swift/Sendable) [`SendableMetatype`](/documentation/Swift/SendableMetatype) --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)