Vinyl records are making a comeback, so one Instructables editor decided to try and print his own at home using a 3D printer. Using Processing, he wrote a program to convert digital audio into 3D models. The 3D model was then printed using a high-resolution 3D printer with plastic material.
The 12-inch record is playable on a standard record player, but it won't sound very good. The issue is that the current 3D printers don't have a high enough resolution to capture the nuances contained in even decent sounding MP3s. The printers also leave a grainy residue or texture on the surface, which interferes with the needle.
It's impressive, from a technical standpoint, what Instructables editor Ghassaei was able to do. Just don't be expecting to pirate vinyl records quite yet.
You can check out the audio in the video embedded in the original source, linked below.
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