Decomposition applied to Stratoconception using parting lines

Yves HOUTMANN*, Benoit DELEBECQUE**, Geoffroy LAUVAUX**, Claude BARLIER
* 41 rue Saint Charles, 88100 Saint Diť des Vosges, yves.houtmann@laposte.net ** CIRTES, 29bis rue d'Hellieule, 88100 Saint Diť des Vosges ***ENSTIMAC / GIP InSIC, Ecole des Mines d'Albi Carmaux, Campus Jarlard, 81013 Albi


ABSTRACT
Parting lines enable visible and invisible parts of a geometric model to be separated in a given direction. In this paper, parting lines were defined. The required mathematical models, and an algorithm for computation of parting lines were established. A method involving the use of this concept in the manufacture of a model by Stratoconception was described. Compared with conventional methods, this concept achieves a higher accuracy.

KEYWORDS: Parting line; Visibility; Polyhedron; STL; Rapid prototyping; Stratoconception.

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