%% 
%%  Ein Beispiel der DANTE-Edition
%%  
%%  7. Auflage
%% 
%%  Beispiel 18-01-3 auf Seite 321.
%% 
%%  Copyright (C) 2016 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
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%% 
\documentclass[]{exaarticle}
\pagestyle{empty}
\setlength\textwidth{121.16928pt}
\setlength\parindent{0pt}
\usepackage{pstricks}
\newcommand{\FSquare}{%
  \begin{pspicture}(0.5,0.5)
     \psframe[dimen=middle](0.5,0.5)
  \end{pspicture}}
%StartShownPreambleCommands
\usepackage[tiling]{pst-fill}
%StopShownPreambleCommands
\begin{document}
\psboxfill{\FSquare}
\begin{pspicture}(2,2)
  \psframe[fillstyle=boxfill,fillsepx=0.2cm](2,2)
\end{pspicture}~
\begin{pspicture}(2,2)
  \psframe[fillstyle=boxfill,fillsepy=0.2cm](2,2)
\end{pspicture}
\end{document}