If you have access to wildfire 2 , then I would highly recommend that
you run through this tutorial from PTC
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That tutorial is meant for new users, (no previous proe experience) but
after going through the phone modeling exercise you'll be comfortable
in Wildfire 2. I'd been running proe since version 10 and was
struggling with wildfire 2 (proe version 25) and that exercise helped
me tremendously.
Also, many companies skipped wildfire 1, it was too slow and crashed
several times an hour for me, so the company i was at stayed with 2001
until wildfire 2 came out. Most companies that I know followed the same
pattern.