---
title: Model I/O Data Types
framework: modelio
role: collectionGroup
role_heading: API Collection
path: modelio/model-i-o-data-types
---

# Model I/O Data Types

## Topics

### Data Types

- [MDLAxisAlignedBoundingBox](modelio/mdlaxisalignedboundingbox.md)
- [MDLVoxelIndex](modelio/mdlvoxelindex.md)

## See Also

### Reference

- [Model I/O Structures](modelio/model-i-o-structures.md)
- [Model I/O Enumerations](modelio/model-i-o-enumerations.md)
- [Model I/O Constants](modelio/model-i-o-constants.md)