The design of Tangible Interfaces has already evolved since the first projects were developed. Frameworks and taxonomies have helped to understand the field of Tangible Interaction. But nevertheless the mental models of the interaction process with Tangible Interfaces seems to be surprisingly diverse. In this paper we present a comprehensive and generic model for interaction with the digital world through physical objects. Our goal is to model the complete process of interaction, to analyse existing design approaches using the model, and to gain a generic design aid for Tangible Interaction.
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