This paper describes the application of Non-Uniform Rational B-Spline (NURBS) surfaces for representation of propeller geometry. Use of NURBS surface representation can facilitate the generation of computational grids, the generation of tool paths for manufacturing, or the evaluation of inspection data. Representation of propeller geometry with spline surfaces provides a unique definition of the geometry such that different persons or organizations can interpret the geometry precisely. Propeller geometry has many difficult regions, such as the leading edge, trailing edge, and tip, which can lead to problems in generating a high quality surface. Techniques are provided that help to avoid common problems in generating propeller surfaces.

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