# Model.AddSubset

Mesh mesh | The Mesh for the subset, may not be null. |

Material material | The Material for the subset, may not be null. |

Matrix& transform | A transform Matrix representing the Mesh’s location relative to the origin of the Model. |

RETURNS: int | The index of the subset that was just added. |

Adds a new subset to the Model, and recalculates the bounds.

## Examples

```
model.AddSubset(
Mesh .GenerateSphere(1),
Default.Material,
Matrix .T(0,1,0));
```