To Create a Feature Control Frame and Align to a Diameter Dimension (AutoCAD Mechanical Toolset)

1. Click Annotate tab Symbols panel Feature Control Frame. Find
2. Click the circle to attach the symbol to.
3. Enter P to redefine the start point.
4. Move the cross hairs towards the dimension line until the leader snaps to the intersection of the dimension line and circle, and then click.
5. Press ENTER.
6. In the Feature Control Frame dialog box, enter the data.
7. Click OK.