10 To create a **Quadrangle** in the **Main Menu** select **Model -> Construction -> Add Quadrangle**.
12 There are two algorithms to create a **Quadrangle**.
16 The **Quadrangle** can be defined by its vertices **Vertex 1**, **Vertex 2**,
17 **Vertex 3** and **Vertex 4**.
19 **Arguments:** 4 vertices.
21 The dialogue box for to create a quadrangle from vertices is:
23 .. image:: _static/gui_quad_vertices.png
27 Add Quadrangle from vertices
31 The **Quadrangle** can also be defined by its edges **Edge 1**,
32 **Edge 2**, **Edge 3** and **Edge 4**.
34 **Arguments:** 4 edges.
36 The dialogue box to create a quadrangle from edges is:
38 .. image:: _static/gui_quad_edges.png
42 Add Quadrangle from edges
46 TUI command: :ref:`tuiquadrangles`