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A 3D Printed “Vinyl” Record
This project is out since a couple of years but the development goes forward. That’s an interesting highlight of what you can really do with 3D printing (and creativity).
“In order to explore the current limits of 3D printing technology, 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 audio output is still easily recognizable, 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). These records were printed on an Objet Connex500 resin printer to a precision of 600dpi with 16 micron z axis resolution. The 3D modeling in this project was far too complex to do by hand, so I wrote a program to do this conversion automatically. It works by importing raw audio data, performing some calculations to generate the geometry of a 12″ record, and eventually exporting this geometry straight to a 3D printable file format. Most of the heavy lifting is done by Processing”
via 3D PRINTED RECORD.