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%%  Ein Beispiel der DANTE-Edition
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%%  7. Auflage
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%%  Beispiel 22-06-34 auf Seite 425.
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%%  Copyright (C) 2016 Herbert Voss
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%%  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.
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%% ==== 
% Show page(s) 1
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\documentclass[]{exaarticle}
\pagestyle{empty}
\setlength\textwidth{97.16928pt}
\setlength\parindent{0pt}
\usepackage{pst-solides3d}
\psset{lightsrc=10 5 20,viewpoint=50 60 30 rtp2xyz,Decran=20}
%StartShownPreambleCommands

%StopShownPreambleCommands
\begin{document}
\begin{pspicture}(-2,-2)(2,2)
 \psSolid[object=ruban,base=0 0 2 2 4 0 6 2]
\axesIIID[showOrigin=false](4.5,0,0)(6,3,7)
\end{pspicture}
\end{document}