%!PS EPSF %%Title: Bentley's double loop %%Creator: cgl (inspired by Bentleyj) %%CreationDate: May 30 1996 %%BoundingBox: -100 -105 100 105 %%EndProlog 10{1 1 10{100 0 moveto gsave dup 36 mul rotate 100 0 lineto stroke grestore } for 36 rotate } repeat showpage