1. Click Wrap > 
Select by Length, or click Facet > Select by Length. The Select by Length dialog box opens.
Select by Length, or click Facet > Select by Length. The Select by Length dialog box opens. Select by Length, or click Facet > Select by Length. The Select by Length dialog box opens.
, and select any two facet vertices. The distance between the selected facet vertices is calculated, and the calculated value is displayed in the Length box.