That’s not a QR-code, THIS is a QR-code design, maps Add comments Sep 122012 World’s largest QR code measures 309 thousand square feet. And is not obviously printed anywhere. No, this is a corn maze. ShareFacebook Leave a Reply Cancel reply Name (required) E-mail (required) URI Your Comment You may use these HTML tags and attributes: <a href="" title=""> <abbr title=""> <acronym title=""> <b> <blockquote cite=""> <cite> <code> <del datetime=""> <em> <i> <q cite=""> <strike> <strong> Notify me of follow-up comments by email. Notify me of new posts by email.