# box(size:) Creates a box mesh with vertices positioned such that the origin is at the center, with faces oriented outward. ``` static func box(size: SIMD3) -> Self ``` ## Parameters `size` The width, height, and depth of the box, in meters. ## Discussion Use this factory method for objects that are *in* the scene rather than defining the scene, or when combining multiple reverb meshes to define a space (for example, separate entities for the floor, ceiling, and walls of a room). --- 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)