Adjust
Use the Adjust tool to automatically shrink or expand to fit PolyNURBS cages to an optimized shape.
- 
                On the PolyNURBS ribbon, select the Adjust tool.

 - 
                Choose from the following options:
                
- To adjust parts, click Parts on the guide bar, and then click the PolyNURBS parts.
 - To adjust cage points, click Cage Points on the guide bar, and then box select or hold down Ctrl while clicking the cage points.
 
 - 
                Click Apply
                    
                    on the guide bar. Clicking the Apply button repeatedly will produce a
                    progressively closer fit.
             - Right-click and mouse through the check mark to exit, or double-right-click.