You can specify a default width for lines used to draw arrows, rectangles and ellipses. You can override the default line width on a case by case basis for individual objects.
1.Press (Menu: View→Interface Properties).
2.Select the Pen Width tab.
3.Select the Printer Pen Width (in units of 1/96 inch) to be used as the width of lines when drawing arrows, rectangles and ellipses. (The width of lines can be overridden for individual arrows, rectangles and ellipses, as explained below.)
See also: