Creating Contoured and Plastic Parts - Autodesk Inventor 2010: No Experience Required - page 402

FIGURE 8.45 The Circular Pattern dialog box
FIGURE 8.46 Add a hole to the boss.
12. Add a 0.3-inch fi llet around the base of the boss.
13. Start a new sketch.
14. When placing, click the fl at face at the top of the boss and drag into
the part.
15. Set the offset of the new plane at -0.4 inches into the part, as shown
in Figure 8.47.