\input dvipaste


\font\bf=cmbx10
\font\sl=cmsl10
\font\it=cmti10
\def\rm{\tenrm}

\def\rulebox#1#2#3{\hbox{\vrule\kern-.4pt
 \vbox to#2{\hrule width#1\vfil\hbox{#3}\vfil\hrule width#1}\kern-.4pt\vrule}}

\setbox0\rulebox{140pt}{210pt}{\bf ABC\it DEF}
\sendout{\box0}

\setbox0\rulebox{125pt}{234pt}{\sl GHI\rm J\it K}
\sendout{\box0}

\setbox0\rulebox{225pt}{117pt}{\it ABC}
\sendout{\box0}

\setbox0\rulebox{123pt}{234pt}{\vbox{\hrule\hbox{\vrule height 30pt 
    ABC\vrule}\hrule}}
\sendout{\box0}


\end