An enlarged-surface based solid model for robust blending

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In this paper, we present an algorithm of modeling a solid object by defining enlarged-surfaces sequentially in Boundary representation (B-rep) solid models. We describe how our approach can solve current problems of blending in solid models such as terminating-edge-blends, overlap-blends and global-blends. Our approach is based on a simple and robust surface modeling method and its application to B-rep solid models. We also present a novel rule for B-rep solid models in order to include surface modeling methods. We illustrate how our approach overcomes problems of blending cases.

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