---
title: "flipped(along:)"
framework: spatial
role: symbol
role_heading: Instance Method
path: "spatial/projectivetransform3d/flipped(along:)"
---

# flipped(along:)

Returns a projective transform that results from flipping it along the specified axis.

## Declaration

```swift
func flipped(along axis: Axis3D) -> ProjectiveTransform3D
```

## Parameters

- `axis`: An axis structure that specifies the flip axis.

## See Also

### Transforming a 3D projective transform structure

- [sheared(_:)](spatial/projectivetransform3d/sheared(_:).md)
- [AxisWithFactors](spatial/axiswithfactors.md)
- [Axis3D](spatial/axis3d.md)
- [flip(along:)](spatial/projectivetransform3d/flip(along:).md)