# `GSOutlineFormat.GSOutlineFormatTTCubic`

*Case*

Static cubic outlines in a `glyf` table.

## Declaration

```swift
case trueTypeCubic
```

```objc
GSOutlineFormatTTCubic
```

```python
GSOutlineFormatTTCubic
```

## Discussion

> **Important**
> This format is not well-supported by Glyphs API and other software.