Creating Contoured and Plastic Parts - Autodesk Inventor 2010: No Experience Required - page 395

FIGURE 8.35 Add fillets to the corners at the end of the blade.
13. For the three faces, select the front face, the edge, and the rear face.
The preview should look like Figure 8.36.
14. Save the fi le.
FIGURE 8.36 The full round fillet smooths all the moving edges of the fan
at once.
Now that you've created your blade, you need to create the hub. The hub will
spin or revolve around the axis of the shaft. To build it, you'll use a tool that is
suitably named.