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[Home](./index.md) &gt; [@three3d/volume](./volume.md) &gt; [SliceMaterialOptions](./volume.slicematerialoptions.md) &gt; [axis](./volume.slicematerialoptions.axis.md)

## SliceMaterialOptions.axis property

轴

**Signature:**

```typescript
axis?: Axis | null;
```

## Remarks

切片就是垂直于该轴的截面