---
title: "+(_:_:)"
framework: spatial
role: symbol
role_heading: Operator
path: "spatial/size3dfloat/+(_:_:)"
---

# +(_:_:)

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

## Declaration

```swift
static func + (lhs: Size3DFloat, rhs: Size3DFloat) -> Size3DFloat
```

## Parameters

- `lhs`: The first value.
- `rhs`: The second value.