# Merge elements¶

To merge elements in the **Main Menu** select **Model -> Operation -> Merge**.

## Merge two quadrangles¶

**Arguments:**

2 quadrangles (quad 1 and quad 2),

4 vertices (vertex 1a, vertex 2a, vertex 1b, vertex 2b).

vertex 1a: vertex of the quadrangle *quad 1* to merge with the vertex *vertex 2a* of the quadrangle *quad 2*.

vertex 1b: vertex of the quadrangle *quad 1* to merge with the vertex *vertex 2b* of the quadrangle *quad 2*.

The dialogue box to merge two quadrangles is:

**Merge two Quadrangles**

## Merge two edges¶

**Arguments:**

2 edges (edge 1 and edge 2),

2 vertices (vertex 1 and vertex 2).

vertex 1: vertex of the edge *edge 1* to merge with the vertex *vertex 2* of the edge *edge 2*.

The dialogue box to merge two edges is:

**Merge two Edges**

## Merge two vertices¶

**Arguments:** 2 vertices (vertex 1 and vertex 2).

The dialogue box to merge two vertices is:

**Merge two Vertices**

TUI command: Merge elements