How to Display Poor Quality Cells or Faces?
The following is a procedure to enable the display of the poor mesh quality of a cell (or face).
1. Go to Display > Grid to open the Display Grid panel
2. Select the Cells (Faces) tab
3. Select Quality from Options
4. Enter the range of quality you want displayed in Cell (Face) Quality range
5. Select an object from Cell (Face) Zones
6. Display