diff --git a/content/index.txt b/content/index.txt
index 2d19b917c1b249a654a3c471fb05dd6338cb7ec4..f66a60661eb031a564b7400ad86fedb4ba56ec17 100644
--- a/content/index.txt
+++ b/content/index.txt
@@ -33,10 +33,14 @@ across the transition. Right panel: conductance across the transition, showing
 quantized conductance peaks.
 
 
-A piece of bilayer graphene lattice
------------------------------------
+3D systems created in Kwant
+---------------------------
 
-* Density of states in a chaotic stadium billiard (middle)
+.. container:: leftside
+
+   .. image:: 3d_systems.png
+
+* A piece of bilayer graphene lattice.
 * A quantum wire (gray) attached to a superconducting electrode (blue) give rise to a Majorana bound states
   which can be seen in the spectrum of the device (upper and lower right).