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In playing with his Craft Robo plotter (a cutter that feeds vinyl or paper through it like a printer), Tom made a QR code business card, and even with some interior pixels missing, the error correction makes it still scan when placed against a dark background.


Becky Stern

Becky Stern is head of wearable electronics at Adafruit Industries. Her personal site:



  1. Susanna says:

    That’s cool! QR codes are awesome stuff in these days.
    Plenty of free sites are available for generating QR codes and my favorite too is

    Often, I would check the message encoded in QR code before I use it. You see, accuracy does matters a lot.
    Try this free QR code reader: It do help me a lot.

  2. QR code printer, quick response code Printer machines in Bangalore, India.@

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