* `MacMesh plugin <MacMesh/index.html>`_
* `blocFissure plugin <blocFissure/index.html>`_
* **MeshCut plugin** - allows to cut a mesh constituted of linear tetrahedrons by a plane.
-* **Get min or max value of control** - a sample plugin whose sources are located in **${GUI_ROOT_DIR}/share/salome/plugins/gui/demo** directory (files **minmax_plugin.py, minmax_ui.py and smesh_plugins.py**). You can find a detailed description of how to create your own plugin in documentation: **Help > GUI module > User's Guide > How-To's and Best Practices > Extend SALOME gui functions using python plugins**.
+* **Get min or max value of control** - a sample plugin whose sources are located in **${GUI_ROOT_DIR}/share/salome/plugins/gui/demo** directory (files **minmax_plugin.py, minmax_ui.py and smesh_plugins.py**). You can find a detailed description of how to create your own plugin in documentation: **Help > User's Guide > GUI module > How-To's and Best Practices > Extend SALOME gui functions using python plugins**.
.. centered::
**"Union of triangles" button**
- The following dialog box will appear:
+The following dialog box will appear:
.. image:: ../images/a-unionoftriangles.png
+ :align: center
* **The main list** shall contain the triangles which will be united. You can click on a triangle in the 3D viewer and it will be highlighted. After that click the **Add** button and the ID of this triangle will be added to the list. To remove a selected element or elements from the list click the **Remove** button. The **Sort** button allows to sort the list of IDs. The **Filter** button allows to apply a definite :ref:`filtering_elements` to selection of triangles.