> ## Documentation Index
> Fetch the complete documentation index at: https://docs.ntop.com/llms.txt
> Use this file to discover all available pages before exploring further.

# FE Region by CAD Body

Create an FE Region of mesh elements using a CAD Body.

### Inputs

| Name | Type | Description |
| - | - | - |
| Cad body | [CAD Body](../../../../block-documentation/types/cad-body) | The input CAD Body. Mesh elements inside the body will be included in the output region. |
| Mesh | [FE Mesh](../../../../block-documentation/types/fe-mesh) | The input FE Mesh to search for mesh entities. |
| Entity | FE Interior Region Enum | The type of element to select in the region. |
| Reverse | [Bool](../../../../block-documentation/types/bool) | An option to reverse the selection to be outside the body instead of inside. |
| Tolerance | [Scalar](../../../../block-documentation/types/scalar) | The search tolerance for finding mesh elements. If this function does not detect the desired elements, try increasing this tolerance. |

### Outputs

| Type |
| - |
| [FE Region](../../../../block-documentation/types/fe-region) |


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