putfile

\setlength{\unitlength}{1mm}
\begin{picture}(62, 40)
\newsavebox{\punkt}
\savebox{\punkt}(0, 0)[l]{%
  \put(0, 0){\circle*{1}}
  \put(0, 0){\circle{2}}
  \multiput(-3, 0)(4, 0){2}{\line(1, 0){2}}
  \multiput(0, -3)(0, 4){2}{\line(0, 1){2}}
}
  \multiput(0, 0)(62, 0){2}{\line(0, 1){40}}
  \multiput(0, 0)(0, 40){2}{\line(1, 0){62}}
  \putfile{data/datafile1}{\circle{2}}
  \putfile{data/datafile2}{\usebox{\punkt}}
\end{picture}