<li>Choose <b>Controls > Face Controls > Aspect Ratio</b> or click
<em>"Aspect Ratio"</em> button in the toolbar.
+<center>
\image html image37.png
-<center><em>"Aspect Ratio" button</em></center>
+<em>"Aspect Ratio" button</em>
+</center>
Your mesh will be displayed in the viewer with its elements colored
according to the applied mesh quality control criterion: