You can control extension line properties including color, lineweight, overshoot, and offset length.
You can control several aspects of the extension lines. You can
With the Dimension Style Manager, on the Lines tab, you can specify a dimension style that sets the total length of extension lines starting from the dimension line toward the dimension origin point.
DIMEXO system variable.
The extension-line offset distance from the origin will never be less than the value specified by the