3D QR Code Creates Shadows for Sunny Sales

May 23, 2012

So QR codes are kinda clumsy and not the most popular technology ever invented but add some fun with a 3D form creating shadows so the code is only visible during limited times of day and it becomes kinda clever. A Korean supermarket used ShadowQRcode to create discounts only available between 12 and 1 pm with great success.. I always wanted to 3D print a sundial but this is close.

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