%% 
%%  Ein Beispiel der DANTE-Edition
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%%  7. Auflage
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%%  Beispiel 32-02-33 auf Seite 718.
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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{pst-poly}
%StopShownPreambleCommands
\begin{document}
\providecommand{\PstPolygonNode}{%
  \degrees[3]
  \rput{0.5}(0.5;\INode){%
    \pspolygon*(0.5;0.5)(0.5;1.5)(0.5;2.5)}}
  \PstTriangle
\end{document}