---
title: init()
framework: spatial
role: symbol
role_heading: Initializer
path: spatial/size3d/init()
---

# init()

Creates a size structure.

## Declaration

```swift
init()
```

## See Also

### Creating a 3D size structure

- [init(width:height:depth:)](spatial/size3d/init(width:height:depth:)-4j9bk.md)
- [init(width:height:depth:)](spatial/size3d/init(width:height:depth:)-4kscw.md)
- [init(_:)](spatial/size3d/init(_:)-2ibhr.md)
- [init(_:)](spatial/size3d/init(_:)-3y7nr.md)
- [init(vector:)](spatial/size3d/init(vector:).md)
- [init(_:)](spatial/size3d/init(_:)-7kyp0.md)
- [init(_:)](spatial/size3d/init(_:)-6nss1.md)