linewid *= 2
arrow "Big" big "Small" small thin
box invis "thin" "line" fit
move
arrow "Big Big" big big "Small Small" small small thick
box invis "thick" "line" fit
box thick "Thick" with .nw at .5 below start of 1st arrow
move
box thick thick "Thick" "Thick"
move
box thin "Thin"
move
box thin thin "Thin" "Thin"
