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7742 e1cd 500
Composition of images of the Schröder Diffusor created by Bernhard Traxler. Basically, the thing scatters incoming sound waves in multiple directions, opposed to the directional reflection of a naked wall. Thereby, the sound in the room is more smooth and , opposed to being sterile and quiet while using absorbers.
The height of the n'th stripe is n^2 mod primenumber, and this series only seems to repeat itself after primenumber stripes. Hence they are called Quadratic Residue Diffusors.
The stripe height was calculated using qrdude, the machining was done using metlab's geilomat. Worktime >20 manhours. The MDF plates were not suitable for lasering.
Reposted frombernhardkubicek bernhardkubicek

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