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NURBS
Last modified: Tuesday, March 12, 2002 

Short for Non-Uniform Rational B-Spline, a mathematical representation of a 3-dimensional object. Most CAD/CAM applications support NURBS, which can be used to represent analytic shapes, such as cones, as well as free-form shapes, such as car bodies.

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NURB Curves: A Guide for the Uninitiated 
Excellent tutorial covering NURBS in general, and specifically how to use QuickDraw 3D to create and manipulate NURBS models.

Dynamic NURBS
Describes dynamic NURBS (D-NURBS), which enable you to interactively "sculpt" curves and surfaces. Using D-NURBS, you can adjust the curves and surfaces not only by manually adjusting control points and their associated weights (as in traditional NURBS), but can simulate forces and shape constraints.

NURBS Tutorial
Excellent tutorial describing how to create a head with NURBS.

related categories

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3-D software

Bézier curve

modeling

spline


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