! Pen 1 = white entities (object lines,text)
! Pen 2 = yellow entities (dimensions, cross hatching)
! Pen 3 = gray entities (hidden lines)
! Pen 4 = red entities (can use for drawing border if you change the
! entity color to red in the format file)
! Pen 5 = green entities (sheetmetal)
! Pen 6 = cyan entities (section)
! Pen 7 = dark gray entities (dimmed)
! Pen 8 = blue entities (spline surface grid)