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Local solid shape applies to the surface curvature of small surface patches-essentially regions of approximately constant curvatures-of volumetric objects that are smooth volumetric regions in Euclidean 3-space. This should be distinguished from local shape in pictorial space. The difference is categorical. Although local solid shape has naturally been explored in haptics, results in vision are not forthcoming. We describe a simple experiment in which observers judge shape quality and magnitudedoi:10.1177/2041669515604063 pmid:27648217 pmcid:PMC5016822 fatcat:gtb4l7jywjhxvbwys5mvn72yhi