diff --git a/mc-performance/openmc/plots.xml b/mc-performance/openmc/plots.xml
index a716b8a..b3aee85 100644
--- a/mc-performance/openmc/plots.xml
+++ b/mc-performance/openmc/plots.xml
@@ -8,4 +8,11 @@
     <pixels>2000 2000</pixels>
   </plot>
 
+  <plot id="2">
+    <type>slice</type>
+    <origin>0. 0. -10.</origin>
+    <width>21.42 21.42</width>
+    <pixels>1000 1000</pixels>
+  </plot>
+
 </plots>