.. image:: ../images/formula2.png
:align: center
-**To apply the Aspect Ratio 3D quality criterion to your mesh:**
+*To apply the Aspect Ratio 3D quality criterion to your mesh:*
-#. Display your mesh in the viewer.
-#. Choose **Controls > Volume Controls > Aspect Ratio 3D** or click **"Aspect Ratio 3D"** button of the toolbar.
-
-
- .. image:: ../images/image144.png
- :align: center
+.. |img| image:: ../images/image144.png
- .. centered::
- "Aspect Ratio 3D" button
-
- Your mesh will be displayed in the viewer with its elements colored according to the applied mesh quality control criterion:
+#. Display your mesh in the viewer.
+#. Choose **Controls > Volume Controls > Aspect Ratio 3D** or click *"Aspect Ratio 3D"* button |img| of the toolbar.
+
+ Your mesh will be displayed in the viewer with its elements colored according to the applied mesh quality control criterion:
.. image:: ../images/image86.jpg
:align: center
-**See Also** a sample TUI Script of a :ref:`tui_aspect_ratio_3d` operation.
-
+**See Also** a sample TUI Script of a :ref:`tui_aspect_ratio_3d` filter.