Shape Modeling International (SMI) provides an international forum for the dissemination of new mathemat-ical theories and computational techniques for modeling, simulating and processing digital representations of shapes and their properties to a community of researchers, developers, students, and practitioners across a wide range of fields. SMI’2015 is organized by – and will be held at – Telecom Lille (on the University Lille1 Campus, cite scientifique, Villeneuve d’Ascq, France), in June 24-26, 2015.