3D printed ‘zoolophones’ produce specific sounds

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Controlling the sound an object produces has always been difficult — attempts have been made to keep refrigerator motors quiet using a solid state motor — but engineers at Columbia University have developed algorithms that accurately 3D print objects to produce specific acoustic qualities. Using their algorithms and taking ideas from a xylophone, the team designed a set of ‘zoolophones’ (metallic animal shapes) that were able to accurately reproduce various notes over a range of shapes including elephants, giraffes, and turtles. Their method enables users to print specific shapes that would produce specific sounds. The team also explored how the…

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