its a text file, so I don't see why it couldn't be released. (if you could do an eqfix, a text file is not really a question

)
Globals---------------------
http://www.gameroom.com/1010101/Global_Shapes.txt
------------------------------------------------------------------------
Kind've old but i'm guessing if they didn't change the client around so bad that it won't work anymore. If you were planning to make it for your server, you could make two downloads.
A program that changes the hex info of the zone (which ever you used for the pets) and the spell file.
----
as for models to use, good luck. EQ never really went out of the bounds but to stick to what they need.
Though,
You could have nymph pets lol... little faeries