# init(width:height:depth:) Creates a size structure from the specified floating-point values. ``` init(width: T, height: T, depth: T) where T : BinaryFloatingPoint ``` ## Parameters `width` A floating-point value that specifies the width. `height` A floating-point value that specifies the height. `depth` A floating-point value that specifies the depth. --- 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)