\documentclass{article}
\usepackage{pstricks}
\usepackage{xepersian}
\settextfont{XB Niloofar}



\begin{document}
\begin{figure}
\begin{pspicture}(10,10)
\psframe(4,4)(8,6)
\rput(6,5){\rl{مستطیل}}
\psgrid[subgriddiv=1,griddots=10,gridlabels=7pt](0,0)(12,9)
\end{pspicture}
\end{figure}
\end{document}