Create panel > Helpers > Object Type rollout > Delegate > Geometry Parameters rollout
Select a Delegate object. > Modify panel > Geometry Parameters rollout
Use these parameters to modify the delegate object's size.
Width, Depth, Height—Sets the width, depth, and height of the Delegate object. These fields also act as readouts when you create the delegate.
Note: The Delegate is a helper object, and thus cannot be rendered. Thus the size of the Delegate object is primarily for use in scene setup, and for determining bounding box extents.