Setting Running Object Snaps

To set running object snaps

1. From the Tools menu, choose Object Snap Settings.
2. In the Osnap dialog box, select the object snaps you want to use.
3. To change the size of the target box, drag the slider bar under Aperture Size.
4. Choose OK.

Object Snap toolbar:
Command line equivalent: DDOSNAP
Alternate: SHIFT + right-click (for cursor menu)