%% 
%%  A DANTE-Edition example
%% 
%%  Example 29-02-18 on page 573.
%% 
%%  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{177.70511pt}
\setlength\parindent{0pt}

\usepackage{pst-eucl}

\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}
