%% 
%%  A DANTE-Edition example
%% 
%%  Example 06-03-2 on page 75.
%% 
%%  Copyright (C) 2011 Herbert Voss
%% 
%%  It may be distributed and/or modified under the conditions
%%  of the LaTeX Project Public License, either version 1.3
%%  of this license or (at your option) any later version.
%% 
%%  See http://www.latex-project.org/lppl.txt for details.
%% 
%% 
%% ==== 
% Show page(s) 1
%% 
\documentclass[]{article}
\pagestyle{empty}
\setlength\textwidth{105.70511pt}
\setlength\parindent{0pt}

\usepackage{pstricks}

\begin{document}
\psset{unit=0.05pt}% for pspicture and \psline
\begin{pspicture}(-550,-550)(550,550)
\psline(-550,0)(550,0)\psline(0,-550)(0,550)
\pscustom{
  \scale{0.05}%  for PS
  \moveto(227.82pt, 550pt)
  \code{7 \pslbrace -455.84 0 rlineto
        45 rotate \psrbrace repeat}
  \closepath \stroke[linewidth=2pt] }
\end{pspicture}
\end{document}