---
title: MDLVoxelIndexExtent
framework: modelio
role: symbol
role_heading: Structure
path: modelio/mdlvoxelindexextent
---

# MDLVoxelIndexExtent

The corner voxel indices defining a solid rectangular volume of voxels. Used by the voxelIndexExtent property and voxels(within:) method.

## Declaration

```swift
struct MDLVoxelIndexExtent
```

## Topics

### Initializers

- [init()](modelio/mdlvoxelindexextent/init().md)
- [init(minimumExtent:maximumExtent:)](modelio/mdlvoxelindexextent/init(minimumextent:maximumextent:).md)

### Instance Properties

- [maximumExtent](modelio/mdlvoxelindexextent/maximumextent.md)
- [minimumExtent](modelio/mdlvoxelindexextent/minimumextent.md)

## Relationships

### Conforms To

- [BitwiseCopyable](swift/bitwisecopyable.md)
- [Sendable](swift/sendable.md)

## See Also

### Constants

- [MDLVoxelIndex](modelio/mdlvoxelindex.md)