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Secret QR codes and hidden warnings: 3D printing technique allows precise control of material properties, point by point

D printing is extremely practical when you want to produce small quantities of customized components. However, this ...
Ars Technica

Redditor creates working anime QR codes using Stable Diffusion

On Tuesday, a Reddit user named “nhciao” posted a series of artistic QR codes created using the Stable Diffusion AI image-synthesis model that can still be read as functional QR codes by smartphone ...