Here is just a solid with no fillet applied to the connection of hub and blade... I could get about .001 m before the fillet starts to fold over itself... What were you looking to put in there?
I dont think that anything is really bugging Michael. You will just need to jump through a bunch of hoops to model this. Just like in Rhino. But the point may be, if you are just starting out with MoI, there will be alot of low level work for you (Only more to come) then it may prove difficult for you.
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