by Psychcf » Sun Feb 18, 2007 7:26 pm
get an old version of nexuiz, and open the two PK3s with 7zip or something. Then just delete the /models/ directory on the new version's pk3, then drag the /models/ folder from the old pk3 to the new pk3. Or, get the old models folder from the old PK3, and put it in a new PK3 called 'oldmodels.pk3' and that way you can just delete the PK3 if you decide to switch back.
BTW I'm referring to the 'data20070123.pk3' or whatever it is...