Like many music lovers today, I have a huge digital library and even though I've now converted much of my vinyl collection to MP3, I still return to my racks often. I've not really considered the possibility of converting my MP3/OGG/FLAC files into 12-inch records ... until now. While exploring the limits of today's 3D-printing technology, digital music tinkerer Amanda Ghassaei has come up with a technique for converting digital audio files of virtually any format into 3D-printed, 33.3 RPM records that can be played on any ordinary turntable.
When playing a gorgeous slab of black vinyl, a stylus moves along a groove cut into the surface of the record spinning at a constant speed (33.3 RPM for albums and 45 RPM for singles). As the stylus hits tiny bumps along the groove, it vibrates to produce an audio signal. This is amplified and routed through speakers to get you up and dancing. The 3D-printed disc behaves in a similar fashion.
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