This research is to make a series of NURBS surfaces for the virtual 3D conceptual design and the styling process by applying arbitrary calligraphic strokes. The surface can be modified in real-time free form deformation and sculpting. The suggested algorithm is used to create 3D NURBS surfaces for styling object using free-hand strokes with the posture information of the input wand. The algorithm presented in this paper can help product designers in the conceptual design stage, even if he or she has no idea about the shape of a target product.
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