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Phyllotaxis: An audio-reactive LED display

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Hacker News | Sep 28, 2026 | evakhoury

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I 3D printed the shapes, and found some translucent paper that diffuses light well and looks organic and playful with light shining through it. It was already cool with some basic test patterns. I built a simple sketch framework, letting me write processing-style ‘shader’ code for the LEDs.

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