# Adding nodes and elements

In SMESH you can add to your mesh different elements such as:

- Nodes

- Edges

- Triangles

- Quadrangles

- Tetrahedrons

- Hexahedrons

To add a node or an element to your mesh:

1. Select your mesh in the Object Browser or in the 3D viewer.

2. From the Modification menu choose the Add item, the following associated submenu will appear:

From this submenu select the type of element which you would like to add to your mesh. The corresponding dialog box shall appear.

#### Adding nodes

In this dialog box set coordinates for your node in the Coordinates set of fields and click the Apply or OK button. Your node will be created:

#### Adding edges

In this dialog box specify the nodes which will form your edge by selecting them in the 3D viewer with pressed Shift button and click the Apply or OK button. Your edge will be created:

#### Adding triangles

In this dialog box specify the nodes which will form your triangle by selecting them in the 3D viewer with pressed Shift button and click the Apply or OK button. Your triangle will be created:

#### Adding quadrangles

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In this dialog box specify the nodes which will form your quadrangle by selecting them in the 3D viewer with pressed Shift button and click the Apply or OK button. Your quadrangle will be created:

#### Adding tetrahedrons

In this dialog box specify the nodes which will form your tetrahedron by selecting them in the 3D viewer with pressed Shift button and click the Apply or OK button. Your tetrahedron will be created:

#### Adding hexahedrons

In this dialog box specify the nodes which will form your hexahedron by selecting them in the 3D viewer with pressed Shift button and click the Apply or OK button. Your hexahedron will be created: