Center marks and centerlines are dimensioning references to centers of holes and axes of symmetry.
Center marks and centerlines are associative objects. If you move or modify the associated objects, the center marks and centerlines adjust accordingly. You can disassociate center marks and centerlines from objects, or reassociate them to selected objects.
You can control the center mark size and the scale and font of the centerline extensions. You can also turn off the centerline extension.
You can create an associative centerline by selecting two line segments.
The center mark and centerline feature set is available as an alternative to current methods. This feature set is best suited for the following:
Both annotative scaling and dimension style support is not available.