I've spent a
long time in this field--more than 30 years--so I am entitled to say with
authority: This is cool stuff!
with current CADD, and some PLM, info; CADwire.net is one I'm involved in, but
you can find many others through any search engine. Here you will find my
personal observations and links. Please participate in the community history project; email me anything you
want to offer for it.