# rect3D(_:) Returns an anchor source rect defined by `r` in the current element. ``` static func rect3D(_ r: Rect3D) -> Anchor.Source ``` --- 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)