---
title: "+(_:_:)"
framework: spatial
role: symbol
role_heading: Operator
path: "spatial/size3d/+(_:_:)"
---

# +(_:_:)

Returns a size that’s the element-wise sum of two sizes.

## Declaration

```swift
static func + (lhs: Size3D, rhs: Size3D) -> Size3D
```

## Parameters

- `lhs`: The left-hand-side value.
- `rhs`: The right-hand-side value.

## See Also

### Applying arithmetic operations

- [*(_:_:)](spatial/size3d/*(_:_:)-751dt.md)
- [*(_:_:)](spatial/size3d/*(_:_:)-8zb5j.md)
- [*(_:_:)](spatial/size3d/*(_:_:)-4qpgt.md)
- [*(_:_:)](spatial/size3d/*(_:_:)-52miz.md)
- [*(_:_:)](spatial/size3d/*(_:_:)-5bb1n.md)
- [-(_:)](spatial/size3d/-(_:).md)
- [-(_:_:)](spatial/size3d/-(_:_:).md)
- [*=(_:_:)](spatial/size3d/*=(_:_:).md)
- [+=(_:_:)](spatial/size3d/+=(_:_:)-75tn3.md)
- [+=(_:_:)](spatial/size3d/+=(_:_:)-7yrej.md)
- [-=(_:_:)](spatial/size3d/-=(_:_:)-8t5kg.md)
- [-=(_:_:)](spatial/size3d/-=(_:_:)-3te52.md)
- [/(_:_:)](spatial/size3d/_(_:_:).md)
- [/=(_:_:)](spatial/size3d/_=(_:_:).md)