%%
%%  A DANTE-Edition example
%%
%%  Example 11-03-18 on page 132.
%%
%%  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-plot}

\begin{document}
\begin{pspicture}[showgrid](3,4)
\pscustom[linewidth=1.5pt]{%
  \translate(0,1.5)
  \psplot{0}{3}{x 180.0 mul 1.5 div sin}%
  \msave
    \translate(1,2) \scale{1 0.5}
    \psplot[liftpen=2]{-1}{2}%
      {x 180.0 mul 1.5 div sin}
  \mrestore
  \psplot[liftpen=2]{0}{3}%
    {x 180.0 mul 0.5 div cos}}
\end{pspicture}
\end{document}