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Click on the images below for links to Video Tutorials. This series covers creating a Chess piece Bishop using curves to create a NURBS patch model. All images and videos are copyright Andrew Klein.
In part 1 of this 5 part series, Andrew Klein (www.andrewklein.net) looks at creating NURBS curves, lofting, and using the Hypergraph in Maya.
In part 2 of this 5 part series, Andrew Klein (www.andrewkleni.net) examines editing control vertices on a NURBS surface, Duplicating a Surface curve from an Isoparm, creating a planar trim shape, Detaching surfaces, and using the Boundary command
In video 3 of this 5 part series, Andrew Klein (www.andrewklein.net) covers how to create curves with the ARC curve tool, the Pencil Curve tool, and the EP Curve tool. By taking this curve and revolving it, the stem of the bishop is created.
In part 4 of 5, Andrew Klein (www.andrewklein.net) looks at creating NURBS surface fillet blends, and again covers revolving.

In the final video of the series, Andrew Klein (www.andrewklein.net) examines how to intersect surfaces and how to use the trim tool to cut out the notch of the bishop's "hat".