Processing free form objects within a Product Development Process framework
Chapitre d'ouvrage scientifique
Author
FALCIDIENO, BiancaGIANNINI, FrancaLÉON, Jean-Claude 
PERNOT, Jean-PhilippeAbstract
The purpose of the chapter is then to review: (1) the stages of a product development pro- cess (PDP) where free-form shapes appear and are subjected to aesthetic and functional require- ments; (2) the modeling, sketching, and modification activities illustrating how free-form surfaces can be processed and what are the corresponding difficulties faced during these tasks; (3) the con- tributions of our community to solve some of these issues, and the problems which are still open.
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