%% 
%%  Ein Beispiel der DANTE-Edition
%%  
%%  7. Auflage
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%%  Beispiel 04-01-1 auf Seite 47.
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%%  Copyright (C) 2016 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
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\documentclass[]{exaarticle}
\pagestyle{empty}
\setlength\textwidth{169.16928pt}
\setlength\parindent{0pt}
%StartShownPreambleCommands
\usepackage{pstricks,multido}
%StopShownPreambleCommands
\begin{document}
\begin{pspicture}[showgrid](3,3)
  \psline[linewidth=0.01pt](0.5,3)
  \psline[linewidth=5pt,linecolor=red](2,3)
  \multido{\rA=0.0+0.25}{13}{%
    \psline[linewidth=\rA pt](3,\rA)}
\end{pspicture}
\end{document}