%% 
%%  Ein Beispiel der DANTE-Edition
%% 
%% 
%%  Copyright (C) 2010 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[]{exaarticle}
\pagestyle{empty}
\setlength\textwidth{166.324pt}
\setlength\parindent{0pt}
\StartShownPreambleCommands
\usepackage{pst-eucl}
\StopShownPreambleCommands
\begin{document}
\begin{pspicture}(-2,-2)(2,2)
  \psset{linewidth=1pt}
  \pstTriangle[PointSymbol=none]%
    (1.5,1.5){A}(-1,-1.5){B}(-1.5,1.5){C}
  \pstMiddleAB{A}{B}{C'} \pstMiddleAB{C}{A}{B'}
  \pstMiddleAB{B}{C}{A'}
  \pspolygon[linestyle=dotted](A')(B')(C')
\end{pspicture}
\end{document}