Associating Elements

Select the surface.

From the Tools Palette, click one of the following:

Option	Description
Curve Selection	Adds a new curve to the selection.
All Association Removal	Resets all the curve associations.
Auto Association Points/Vertices	Creates points associated to the selected vertices in a new geometrical set.

Select a geometric element or another subdivision surface.

Select the elements of the base mesh to associate to the surface.

A vector, displayed as a blue dotted line, appears to show the association. If you move the element, the surface is moved accordingly.