Twisted Wire Ring
Create Solids:
Extrude, Curve Analysis, Reverse Surface Orientation, Twist, Wrap Along Curve, Cut and Delete, Extract Curve, Boolean, Cylinder, Fillet
Jewelers Bench:
Ring Size Builder, Ring Rail Builder, Stone, Variable Channel, Jeweling, Multi Cutters
Sketch:
Symetrical Vertical Curve, Circular Duplication, Nurbs Curve