Figure 1: A user interacting with SandCanvas (left), and images created with SandCanvas (right). ABSTRACT Sand animation is a performance art technique in which an artist tells stories by creating animated images with sand. Inspired by this medium, we have developed a new multitouch digital artistic medium named SandCanvas that simplifies the creation of sand animations. SandCanvas also goes beyond traditional sand animation with tools for mixing sand animation with video and replicating

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... d free-form hand gestures. In this paper, we analyze common sand animation hand gestures, present SandCanvas's intuitive UI, and describe implementation challenges we encountered. We also present an evaluation with professional and novice artists that shows the importance and unique affordances of this new medium.