Automatically places dimensions and relationships on selected elements. You can specify which dimensions and relationships to apply with the Relationship Assistant dialog box.

You can use the Show Variability button on the command bar to calculate the number of relationships required to fully constrain the shape and show you how the shape can change in the graphics window.

When you select elements and then click the Show Variability button, the number of relationships needed is displayed on the command bar, and a temporary image of the shape is displayed to show one possibility of how it can change. You can click the Show Variability button repeatedly to see other variations.