Still some work to do to iron out the tone - other than that, this one is excellent - the motors are really quiet - the foam works really well - easy to work, good quietening characteristics and really strong. I am very proud of the spring loaded servo connection to the playing stick - this allows for small variations in pressure and for minor in-consistencies in the bowls symmetry. You can see the Arduino and Xbee in a pocket and the battery pack goes in the other side.
In the end I will have 6 sets that can be hung in a space generating physical diffusion of sound. I am also thinking they could be used for perambulatory performances.
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