This script will generate a postscript file with a PGP key fingerprint
repeated as many times as can be fitted on a Letter sized page.

$ gpg --fingerprint 2289688F
pub   1024D/2289688F 2002-05-02
      Key fingerprint = EA5C 47F0 2628 B656 1E30  C63D FF34 59D5 2289 688F
uid                  Bart Trojanowski (home3) <bart@jukie.net>
uid                  Bart Trojanowski (home3) <bart@50trump.com>
uid                  Bart Trojanowski <bart@flyingbits.ca>
sub   4096g/87F1293E 2005-01-03 [expires: 2007-01-01]

$ make-gpg-fingerprint-slips 2289688F

$ gv /tmp/fingerprint-page-for-2289688F.ps

$ lpr /tmp/fingerprint-page-for-2289688F.ps