Hi NightCabbage, also you may already know this but just in case - you don't actually need to do a separate on the rectangle first, you can select the whole still joined rectangle and then do a Fillet and it will prompt you to pick which corners you want to fillet.

- Michael

lol This all sounds awesome :)

I think the problem is that, to my knowledge, these features aren't documented?

I bet there are ton of features in MoI that would make my life much easier - but I just don't know they exist! :D

Hi NightCabbage,

> I think the problem is that, to my knowledge, these
> features aren't documented?

Being able to fillet corners of a single joined curve is documented in the help file under Fillet:
http://moi3d.com/2.0/docs/moi_command_reference7.htm#fillet

"Selecting a single curve that has corners in it (for example, a rectangle curve) will allow filleting of some or all of those corners."

Also one of the example images shows that kind of filleting with selecting corner vertices...

- Michael