verbatimtex
\documentclass{article}
\usepackage{graphicx}
\begin{document}
etex;

defaultfont := "cmr12";
defaultscale := 12pt /fontsize defaultfont;
input mp-tool;
prologues := 2;

beginfig( 0 );
  draw btex \includegraphics{fib.eps} etex;
endfig;

end.