ADDED   mttroot/mtt/lib/xfig/Basic/bond.fig
Index: mttroot/mtt/lib/xfig/Basic/bond.fig
==================================================================
--- /dev/null
+++ mttroot/mtt/lib/xfig/Basic/bond.fig
@@ -0,0 +1,11 @@
+#FIG 3.2
+Portrait
+Center
+Metric
+A4      
+100.00
+Single
+-2
+1200 2
+2 1 0 2 0 7 100 0 -1 0.000 0 0 -1 0 0 3
+	 900 675 2250 675 2025 900