. See Wrinkle Tool.
You can change the tool settings whenever you are using the Wire Tool by selecting Window > Settings/Preferences > Tool Settings.
A UV region of the surface is highlighted, allowing you to shape a wire cluster for deforming the surface.
-drag to shape the UV region. Scale it using the circle in the middle of each side, rotate it using the corners, and move
it using the dot in the middle of the UV region.
(Linux and Windows) or
(Mac OS X) when the UV region fits the area of the deformable object.
The “C” icon is the wrinkle deformer’s cluster deformer handle.
To create wrinkle deformation effects
For more information on creating and editing deformation effects, see Editing wrinkle deformation effects.