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https://support.ptc.com/company/community/schools/proengineer.htm
All take you to an error
Do these files still exist?
1. "Academic Case Logger": http://support.ptc.com/appserver/support/academic_case_logger/academic_case_logger.jsp
2. I have some primer from this page, I will look and post them here later.
The following manuals are attached to the message ( https://support.ptc.com/company/community/schools/proengineer.htm )
"Primer",
"Advanced Primer",
"Toy Car Tutorial",
"Sports Bottle Tutorial";
"Introduction to Creo Elements-Pro".
3D models can be downloaded from the links: