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Despite the modern technology being used at preschool, how children learn about colors remains in a traditional, lacking of interaction way, teachers show a color object and make children know the color. We found that children are fascinated about exploring the world through the direct manipulation of physical objects. In this paper, we present Beelight, a(More)
This paper presents <i>RoCuModel</i>, an iterative tangible modeling system that helps users build 3D models in a tangible way for personal fabrication. It consists mainly of a special tangible curve and an infrared camera. Users can create 3D objects by creating sketchy low-fidelity shapes with the hand. By rotating the curve along a fixed axis, users can(More)
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