Working with Purchased and Multipurpose Parts - Autodesk Inventor 2010: No Experience Required - page 283

9. Use the Horizontal constraint to align the two points with the sketch
centerpoint.
10. Start the Project Geometry tool to project the point where the two
drafted faces meet on the sides of the handle.
11. Place a dimension of .3 inches between the two points, as shown in
Figure 6.27.
FIGURE 6.27 Locating the hole centers
12. Finish the sketch.
13. Start the Hole tool, and place two holes on the sketched points. Hold
the Ctrl key, and deselect the projected points for placing the holes.
14. Set the parameters of the holes according to the dialog shown in
Figure 6.28.
15. Click OK to place the holes.