Integrated Feature-Based and Geometric CAD Data Exchange

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Executive Summary

This paper presents a general concept, Geometry per Feature (GPF) that achieves such integration, along with algorithms for implementing it. First this paper gives a general background of feature based design and of the UPR FBDE architecture. this paper then give a precise problem statement, present three solution alternatives: delta solids, delta boundary and delta faces, and show that under normal CAD circumstances the latter is preferable.

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