Community Tip - Did you get called away in the middle of writing a post? Don't worry you can find your unfinished post later in the Drafts section of your profile page. X
Have you tried 3DModelSpace? It's available from the Favorites tab in the Navigator in both Wildfire and Creo. The link is:
http://www.3dmodelspace.com/ptc
David R. Martin II
Senior CAD Application Specialist
Amazon
Positronics has CAD files, but I don't know if they have what you're looking for.