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This blows my mind…

3D PRINTED RECORD

“I’ve created a technique for converting digital audio files into 3D-printable, 33rpm records and printed a few prototypes that play on ordinary turntables. Though the audio quality is low -the records have a sampling rate of 11kHz (a quarter of typical mp3 audio) and 5-6 bit resolution (less than one thousandth of typical 16 bit resolution)- the audio output is still easily recognizable. These records were printed on an Objet Connex500 resin printer to a precision of 600dpi with 16 micron z axis resolution.”

(Via The Loop.)