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We present several powerful new techniques for similarity-based modelling of surfaces using geodesic fans, a new framework for local surface comparison. Similarity-based surface modelling provides intelligent surface manipulation by simultaneously applying a modification to all similar areas of the surface. We demonstrate similaritybased painting, deformation, and filtering of surfaces, and show how to vary our similarity measure to encompass geometry, textures, or other arbitrary signals.doi:10.1145/1186223.1186344 dblp:conf/siggraph/ZelinkaG04 fatcat:aq5tk4rlrrds5bwyg5edsccinu