Recently [mit41301] wondered about increasing the data capacity of QR codes, and was able to successfully triple the number of bits using color. He chose the new rectangular micro QR code (rMQR ...

The design of QR codes also make them well suited to 3D printing ... you’ll need to swap the filament color at the appropriate layer manually. With so many variables involved, you’ll also ...

There is an awareness and effectiveness of QR codes as a bridge to digital information; but how can this change the usual ...

And while some couples opt to include a paper RSVP card, many modern duos skip such an insert, opting instead to include a ...