Info on corrugated design (not my invention at all!):

http://news.lugnet.com/trains/?n=16651

http://www.brickshelf.com/cgi-bin/gallery.cgi?f=15786

http://www.brickshelf.com/cgi-bin/gallery.cgi?f=18689

http://news.lugnet.com/trains/?n=20486

http://www.brickshelf.com/cgi-bin/gallery.cgi?f=45966

Leg Godt!

Ben

Ben(at)1000steine(dot)com