DIMBLK1 (System Variable)

Sets the arrowhead for the first end of the dimension line when DIMSAH is on.

Type:String
Saved in:Drawing
Initial value:""

To return to the default, closed-filled arrowhead display, enter a single period (.). For a list of arrowheads, see DIMBLK.

Note: Annotative blocks cannot be used as custom arrowheads for dimensions or leaders.