;)
Inventor Fusion
The Microsoft Windows compatible technology preview executable expires on April 1, 2013.
The Apple OS X compatible version of the technology preview expires on January 1, 2013.

Else you can see this tutorial for complex Fillets inside Moi by MajikMike ;)
http://k4icy.50webs.com/tutorials/Fillet_Using_Sweep_and_Blend.html