Computational design of linkage-based characters

We present a design system for linkage-based characters, combining form and function in an aesthetically-pleasing manner. Linkage-based character design exhibits a mix of discrete and continuous problems, making for a highly unintuitive design space that is difficult to navigate without assistance....

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Bibliographic Details
Published in:ACM transactions on graphics 2014-07, Vol.33 (4), p.1-9
Main Authors: Thomaszewski, Bernhard, Coros, Stelian, Gauge, Damien, Megaro, Vittorio, Grinspun, Eitan, Gross, Markus
Format: Article
Language:English
Subjects:
Design engineering
Flexibility
Mathematical analysis
Mathematical models
Optimization
Singularities
Tasks
Topology
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Summary:We present a design system for linkage-based characters, combining form and function in an aesthetically-pleasing manner. Linkage-based character design exhibits a mix of discrete and continuous problems, making for a highly unintuitive design space that is difficult to navigate without assistance. Our system significantly simplifies this task by allowing users to interactively browse different topology options, thus guiding the discrete set of choices that need to be made. A subsequent continuous optimization step improves motion quality and, crucially, safeguards against singularities. We demonstrate the flexibility of our method on a diverse set of character designs, and then realize our designs by physically fabricating prototypes.
ISSN:0730-0301
1557-7368
DOI:10.1145/2601097.2601143