BRIAN there is a catia ( mdl or exp )to IGES translator sold by compunix I HAVE TRY IT WITH THEIR SAMPLE SAMPLE CATIA MODELS AND IT WORKS IF YOU CONTACT THEM THEY WILL SET YOU UP WITH A FREE TRIAL VERSION (5 DAY). I KNOW IT WORK ON WINDOWS 95 OR NT.
YOU COULD FIND THEM IN THE WWW WEB
SEARCH FOR COMPUNIX , IF YOU NEED MORE INFO EMAIL ME OR CALL ME AT (310) 329-7638
MY NAME IS ENRIQUE TENORIO.