Creating QR-Codes out of Chocolate (gpn23)

from Chaos Computer Club - recent events feed (high quality) · host Johannes Bechberger

Ever wondered how to rickroll your friend with a custom cake? In this talk, I'll show you how to use a 3D printer, a vacuum molder, and a dental vibration table to create custom working QR codes and chocolate bars with readable text out of chocolate. You will learn the basics of chocolate tempering and vacuum molding along the way to form chocolate in the shape of your desire. Licensed to the public under https://creativecommons.org/licenses/by/4.0/ about this event: https://cfp.gulas.ch/gpn23/talk/NWHAHE/

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This episode was published on June 20, 2025.

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