%% 
%%  A DANTE-Edition example
%% 
%%  Example 23-01-1 on page 334.
%% 
%%  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{201.70511pt}
\setlength\parindent{0pt}

\usepackage{pstricks,pst-3d}

\begin{document}
\psset{Tshadowcolor=black!25}
\psshadow[]{\Huge shadow}\\[10pt]
\psshadow{\Huge $f(x)=x^2$}\\[15pt]
\psshadow[Tshadowsize=2.5]{%
    \rule{2cm}{10pt}}\\
\end{document}