businesscard-qrcode/examples/special-papersize.tex

\documentclass[paperheight=5.4cm,paperwidth=10.4cm,
               contentheight=5cm,contentwidth=10cm,
               cutdist=2,
               textwidth=0.6,
               qrwidth=.35]
               {businesscard-qrcode}

\givennames{Gretchen\ Frieda}
\familynames{Huber\ Müller}
\street{Waldstrasse\ 15}
\zip{9876}
\city{Nirgendwo}
\phone{+41 78 654 32 10}
\email{gretchen.huber@example.com}

\begin{document}
	\drawcard
\end{document}