Some years ago I was introduced to a CAD/CAM/CAE suite called I-Deas which was quite cool. Using that you could get from idea to finished product in just 1 day.
As modelling a product is just a very small part of developing a whole product the modelling part did naturally only take very little time even for complex machinery. I have never since seen any kind of modelling program get anywhere near that effective though.
One of the things which made it effective was that it made extensive use of rotating geometry around an axis. You should had to draw a few lines, which took 5 secs, and then it rotated it around an axis and you ended up with a nice model.
I came to think about this when I saw the chess piece model thread:http://mapcore.net/forums/viewtopic.php?t=4867
Some those models could be created in a few secs using I-Deas. So my question is which modelling tool which provide similar functionality?