The Anatomical and Circular Shape Tools take morphological alterations to a new level of simplicity and speed.  This is my favorite tool for aligning cusps, incisal edges, and cervical emergence appeal.  We often do not need to make significant changes to our proposals with the current state of the software.  But when you do, the Shape Tool is one of our golden assets for simplistic design alterations.  There are more Dr. Klim's world famous training videos at www.cadstar.tv.