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Laser Cutter Carves Music Onto Wooden Records

Laser Cutter Carves Music Onto Wooden Records
Design

Instructables member Amanda Ghassaei has developed a way of fabricating LPs out of natural materials with playable audio.

Emma Hutchings
  • 22 may 2013

After converting digital audio files into 3D printed records to explore the current limits of 3D printing technology, Instructables member Amanda Ghassaei has followed up by developing a way of fabricating records with a laser cutter.

Laser Cutter Carves Music Onto Wooden Records

The laser cutter carves grooves and tiny bumps into the material, and Ghassaei has successfully created functioning records from wood, acrylic and paper. She writes:

These records were cut on an Epilog 120 Watt Legend EXT to a theoretical precision of 1200dpi (though the kerf of the cut and some tricks I used to avoid crashing the laser cutter dropped the actual precision down by ~1/6). The audio on the records has a bit depth between 4-5 bit and a sampling rate up to about 4.5kHz.

Ghassaei wrote the Processing sketch that generates the record cutting paths so that it can be modified for any song, material, cutting machine, record size, and turntable speed. You can find the code and detailed instructions on Instructables. Check out the video below to see and hear the laser cut record:

Amanda Ghassaei

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