High value manufacturing : advanced research in virtual and rapid prototyping ; proceedings of the 6th International Conference on Advanced Research and Rapid Prototyping, Leiria, Portugal, 1-5 October, 2013 ; [6th International Conference on Advanced Research in Virtual and Physical Prototyping (VR@P 2013)] / Centre for Rapid and Sustainable Product Development, Polytechnic Institute of Leiria, Leiria, Portugal. Ed. Paulo Jorge da Silva Bártolo ...