NX Quick Tips: Sculpting with x-form
One of the key advantages of NX over other systems, is the ability to easily flow from Concept, to Detail Design, to Production.
In this NX Quick Tips video, Tod Parrella shows how the X-Form tools allow you to edit b-surfaces or spline curves by dynamically manipulating the pole locations.
More importantly, this data can be reused throughout the digital lifecycle.
Learn more about NX here: http://www.swooshtech.com/nx-cad