> ## Documentation Index
> Fetch the complete documentation index at: https://docs.nodi3d.com/llms.txt
> Use this file to discover all available pages before exploring further.

# ConvexHull2D

> Convex Hull 2D node: Create a 2D convex hull polyline curve from points projected onto a plane. Mesh › Triangulation node in Nodi, with its inputs, outputs and properties.

Create a 2D convex hull polyline curve from points projected onto a plane.

**Category**: [Mesh](https://docs.nodi3d.com/nodi-editor/nodes.md#mesh) › Triangulation\
**Shown in the node menu as**: Convex Hull 2D

## Inputs

| Input | Type |
| - | - |
| points to project | `Point` |
| projection plane | `Vector, Plane` |

## Outputs

| Output | Type |
| - | - |
| convex hull polyline | `Curve` |

## Properties

Properties are set in the Inspector and are used when the matching input is not connected.

| Property | Type |
| - | - |
| normal | `Vector3d` |

## Related nodes

Other nodes in Mesh › Triangulation:

* [ConvexHull3D](https://docs.nodi3d.com/node/convex-hull3-d.md): Create a 3D convex hull mesh from points or meshes.
* [Voronoi](https://docs.nodi3d.com/node/voronoi.md): Generate Voronoi diagram from points projected onto a plane.
* [Voronoi3D](https://docs.nodi3d.com/node/voronoi3-d.md): Generate a 3D Voronoi tessellation from seed points.


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