--- a/text/intro.tex	Fri Sep 24 15:32:55 2010 -0700
+++ b/text/intro.tex	Mon Sep 27 20:57:02 2010 -0700
@@ -93,6 +93,7 @@
 \begin{figure}[!ht]
 {\center
 
+\beginpgfgraphicnamed{gadgets-external}%
 \begin{tikzpicture}[align=center,line width = 1.5pt]
 \newcommand{\xa}{2}
 \newcommand{\xb}{8}
@@ -129,6 +130,7 @@
 \draw[->] (FU) -- node[left] {blob complex \\ for balls} (Cs);
 \draw[<->] (BC) -- node[right] {$\iso$ by \\ Corollary \ref{cor:new-old}} (BCs);
 \end{tikzpicture}
+\endpgfgraphicnamed{gadgets-external}%
 
 }
 \caption{The main gadgets and constructions of the paper.}