One of the Inventor “Tricks of the Trade” that I used to show customers is the ability to drive adaptivity with a driven assembly constraint. This allows a part to stretch to the appropriate size though a given range of motion in an assembly. This allowed us to animate flexible parts that would otherwise always be shown as a static size. Part parameters can be animated in Inventor Studio now, but driving adaptivity can be easier to get a quick point across. Take a look at this video for an example:
I was presenting a web cast yesterday when I was asked a question. “I made gear that has no drive hole, and I have a shaft with a special shape to it. How do I get the shaft shape cut into the gear?”
Well that is probably a common thing to happen in designs I thought. So the answer I gave him was to put them into the assembly and then edit the gear in the assembly to create an adaptive link to the shaft.