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%%
%% A DANTE-Edition example
%%
%%
%% 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[]{article}
\pagestyle{empty}
\setlength\textwidth{201.70511pt}
\setlength\parindent{0pt}
\usepackage{pst-solides3d}
\begin{document}
\psset{lightsrc=45 15 20,
viewpoint=50 20 20 rtp2xyz,
Decran=25}
\begin{pspicture}(-2,-1.5)(2,2)
\psSolid[object=cube,a=3,ngrid=3,
hollow,inouthue=0 1 0.5 1,
rm=36 1 44 {} for]
\end{pspicture}\\
\psset{lightsrc=30 30 25,
viewpoint=50 40 30 rtp2xyz}
\begin{pspicture}(-3,-3)(3,3)
\psSurface[ngrid=.25 .25,
inouthue=1 0 0.5 1, linewidth=0.01,
axesboxed,algebraic](-4,-4)(4,4){%
((y^2)-(x^2))/4}
\end{pspicture}
\end{document}
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