Pythagoras of Samos was a man with many hobbys. I know him for his experiments with strings and their musical properties. Thats why I call this robotic string instrument “Pythagotron”.
It features:
-2 octaves of pitch range
-fast and precise intonation
-4 actuators for striking, muting, punshing, damping and shorten the string
-modular and parametric design (OpenScad)
-most parts are 3D-printed or easy to gather
-open source
more information on my website: http://frankpiesik.org/2016/01/14/pythagotron/
and here is a video: http://m.youtube.com/watch?time_continue=8&v=b9-54RTwk_M
Pythagotron
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