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As we try to develop new 3D-Sketching devices we come across the problem of how to transfer 3D-Sketches into exact product models to gain an integrated design system. There are some promising approaches for the retrieving of 3D-geometries out of 2D-Sketches, but nearly none supports the concretization of 3D-Sketches. We are developing an intelligent(More)
The early phases of product development play a significant role for the success of a product and the prevention of time and money consuming changes in late phases. This paper describes a new methodological approach for the genereration of principle solutions in the form of sketches in early phases of product development. A guideline has been developed for a(More)
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