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Techniques for interactive deformation of unstructured polygon meshes are of fundamental importance to a host of applications. Most traditional approaches to this problem have emphasized precise control over the deformation being made. However, they are often cumbersome and unintuitive for non-expert users. In this paper, we present an interactive system for deforming unstructured polygon meshes that is very easy to use. The user interacts with the system by sketching curves in the image plane.doi:10.1145/1053427.1053452 dblp:conf/si3d/KhoG05 fatcat:x2okbc3dy5ehdplw63tfhkkr2e