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The Blobot is a dancing and pipe-playing robotic tetrahedron made of air cylinders, designed and built by Andy Cavatorta in 2005-'06.
The Bot(i)cello is a tree-shaped electric string robot that uses fans to pluck strings of changing lengths. It has three arms, each holding an electric guitar string on one end. The arms curl in and out like the petals of a flower, and as they move they change the pitch of the string. It was designed by Christine Southworth, Yu-Cheng Hsu and Jeff Lieberman, and built in 2005-'06 by Ensemble Robot.
Andy Cavatorta, center, is the designer and builder of Ensemble Robot's Blobot, a dancing and pipe-playing robot. Giles Hall, right, is the chief programmer for Ensemble Robot. He does the programming for all their robots. The other member of the team is Christine Southworth who assisted in the design of the Bot(i)cello.