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\includegraphics{figs/RibbonTubes_2.pstex}%
\end{picture}%
%
%  pstex_opts: -m 1.25 
%
\setlength{\unitlength}{4934sp}%
%
\begingroup\makeatletter\ifx\SetFigFont\undefined%
\gdef\SetFigFont#1#2#3#4#5{%
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  \selectfont}%
\fi\endgroup%
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\end{picture}%