Line Split by Distance
Removes a section of a specified length from a line or double line, splitting the line or double line into two segments.
Point 1: Location of line split
Point 2: Direction of line split, if necessary
Size: The length of the segment to be removed.
Center Align: The removed segment will be centered at the point where the line is clicked. If this options is not checked, set the first point for the location of the split and then a second point to sets the direction.
Cap the Opening: For a double line, the opening will be capped at the split.
Selected Only: Runs the command only on selected lines.