# Select

<div align="left"><figure><img src="https://2202237093-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FililYtTOKJkeJpzbCa02%2Fuploads%2FYmZdjdvHfEhGIIl9RNpo%2Fimage.png?alt=media&#x26;token=25aa8a95-bf06-4712-a5d1-52c065a44ed5" alt=""><figcaption></figcaption></figure></div>

```
/**
 * Node that provides interactive triangle selection on a mesh.
 * 
 * Opens a 3D viewport for selecting triangles by painting or
 * picking, creating a selection set for geometry operations.
 * 
 * Usage:
 * 1. Connect mesh input
 * 2. Use viewport to select triangles
 * 3. Output selection for use in geometry nodes
 */
```