Creating 2D Drawings from 3D Data - Inventor 2013 and Inventor LT 2013 Essentials - page 49

5. Finish the Bolt circle by clicking the 12 o'clock hole again; then right-
click and select Create from the context menu. See Figure 2.18.
6. Press the Esc key to leave the Centerline tool.
FIGURE 2.18 Generating a bolt circle with
the Centerline tool
You can use the Centerline Bisector tool on straight or curved segments to
find the midline between them. Straight segments do not need to be parallel.
1. Make certain that the 2013 Essentials project file is active, and then
open c02-11.idw from the Drawings\Chapter​2 folder.
2. Zoom in on the section view on the right side of the drawing.
3. Select the Centerline Bisector tool on the Symbols panel of the
Annotation tab.
4. Click the Orange lines in the lower left and lower right of the open
portion of the part to place a straight segment.
5. Click the green arcs on the left and right to place a curved segment.
6. Place another straight segment by picking the blue angled line at the
top left and top right.
You can also extend the straight segments beyond their original
size for clarity. See Figure 2.19.