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Unformatted text preview: ACM Reference Format Mori, Y., Igarashi, T. 2007. Plushie: An Interactive Design System for Plush Toys. ACM Trans. Graph. 26 , 3, Article 45 (July 2007), 8 pages. DOI = 10.1145/1239451.1239496 http://doi.acm.org/10.1145/1239451.12 39496. Copyright Notice Permission to make digital or hard copies of part or all of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profi t or direct commercial advantage and that copies show this notice on the fi rst page or initial screen of a display along with the full citation. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, to republish, to post on servers, to redistribute to lists, or to use any component of this work in other works requires prior specifi c permission and/or a fee. Permissions may be requested from Publications Dept., ACM, Inc., 2 Penn Plaza, Suite 701, New York, NY 10121-0701, fax +1 (212) 869-0481, or [email protected] © 2007 ACM 0730-0301/2007/03-ART45 $5.00 DOI 10.1145/1239451.1239496 http://doi.acm.org/10.1145/1239451.1239496 Plushie: An Interactive Design System for Plush Toys Yuki Mori * The University of Tokyo Takeo Igarashi * The University of Tokyo / JST, PRESTO (a) creation (b) cut (c) adding a part (d) pull (e) result of sewing Figure 1: Designing an original plush toy using our system. The user interactively edits the 3D model on the screen using a sketching interface. Internally, the system generates 2D cloth pattern and shows the 3D model as a result of applying simple simulation to the pattern. Abstract We introduce Plushie, an interactive system that allows nonprofes- sional users to design their own original plush toys. To design a plush toy, one needs to construct an appropriate two-dimensional (2D) pattern. However, it is difficult for non-professional users to appropriately design a 2D pattern. Some recent systems auto- matically generate a 2D pattern for a given three-dimensional (3D) model, but constructing a 3D model is itself a challenge. Further- more, an arbitrary 3D model cannot necessarily be realized as a real plush toy, and the final sewn result can be very different from the original 3D model. We avoid this mismatch by constructing appro- priate 2D patterns and applying simple physical simulation to it on the fly during 3D modeling. In this way, the model on the screen is always a good approximation of the final sewn result, which makes the design process much more efficient. We use a sketching inter- face for 3D modeling and also provide various editing operations tailored for plush toy design. Internally, the system constructs a 2D cloth pattern in such a way that the simulation result matches the user’s input stroke. Our goal is to show that relatively simple algo- rithms can provide fast, satisfactory results to the user whereas the pursuit of optimal layout and simulation accuracy lies outside this paper’s scope. We successfully demonstrated that non-professionalpaper’s scope....
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