--- /dev/null
+.. _minimum_angle_page:
+
+*************
+Minimum angle
+*************
+
+**Minimum angle** mesh quality criterion consists of calculation of the minimum value of angle between two adjacent sides of a 2D meshing element (triangle or quadrangle).
+
+*To apply the Minimum angle quality criterion to your mesh:*
+
+.. |img| image:: ../images/image38.png
+
+#. Display your mesh in the viewer.
+#. Choose **Controls > Face Controls > Minimum angle** or click *"Minimum Angle"* button |img|.
+
+ Your mesh will be displayed in the viewer with its elements colored according to the applied mesh quality control criterion:
+
+ .. image:: ../images/image92.jpg
+ :align: center
+
+**See Also** a sample TUI Script of a :ref:`tui_minimum_angle` filter.
+
