---
title: SCNChamferMode.back
framework: scenekit
role: symbol
role_heading: Case
path: scenekit/scnchamfermode/back
---

# SCNChamferMode.back

Apply a chamfer to only the back edge of the extruded shape.

## Declaration

```swift
case back
```

## See Also

### Constants

- [SCNChamferMode.both](scenekit/scnchamfermode/both.md)
- [SCNChamferMode.front](scenekit/scnchamfermode/front.md)