My husband uses Pro-E...he loves it...it's cool software to play around, I mean work, with!I am a Mechanical Designer using Pro-Engineer software. I am currently working on lower power train for mining trucks, scrapers, and graders. Here is one of the trucks I get to see being built.
http://www.wcsscience.com/extreme/cat797.html
"BIG" fun.
Later,
Steve
Cool job you've got Tree!