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diff --git a/org/amplified_piezoelectric_stack.org b/org/amplified_piezoelectric_stack.org
index b1c4192..c34406c 100644
--- a/org/amplified_piezoelectric_stack.org
+++ b/org/amplified_piezoelectric_stack.org
@@ -1041,3 +1041,6 @@ exportFig('figs/amplified_piezo_iff_disturbances.pdf', 'width', 'full', 'height'
 *** Conclusion                                                      :ignore:
 #+begin_important
 #+end_important
+
+
+** Optimal Stiffnesses