diff --git a/src/one-body-sample.org b/src/one-body-sample.org
index e70e069612f7b4be3b7a5e3ab9a9d32cd89961bb..1d6ba40aaace65db4f07c062d6a7b67fce1c8e71 100644
--- a/src/one-body-sample.org
+++ b/src/one-body-sample.org
@@ -137,6 +137,31 @@
   coefficient_writer.close();
 #+end_src
 
+#+name: assembleAndWriteStress
+#+begin_src c++
+  if (parset.get<bool>("writeVTK")) {
+    VonMisesStressAssembler<GridType> localStressAssembler
+      (E, nu,
+       Dune::make_shared<BasisGridFunction<P1Basis, VectorType> const>
+       (p1Basis, u));
+    FunctionalAssembler<P0Basis>(p0Basis)
+      .assemble(localStressAssembler, vonMisesStress, true);
+  
+    writeVtk<P1Basis, P0Basis, VectorType, SingletonVectorType, GridView>
+      (p1Basis, u, alpha, p0Basis, vonMisesStress, leafView,
+       (boost::format("obs%d") % run).str());
+  }
+#+end_src
+* Misc. helpers
+#+name: printBenchmarkData
+#+begin_src c++
+  if (parset.get<bool>("enableTimer"))
+    std::cerr << std::endl
+              << "Making " << timesteps
+              << " time steps took " << timer.elapsed()
+              << "s" << std::endl;
+#+end_src
+
 * Main
 #+begin_src c++ :tangle one-body-sample.cc :noweb yes
   #ifdef HAVE_CONFIG_H
@@ -488,27 +513,9 @@
         }
   
         <<writeData>>
-  
-        // Compute von Mises stress and write everything to a file
-        if (parset.get<bool>("writeVTK")) {
-          VonMisesStressAssembler<GridType> localStressAssembler
-            (E, nu,
-             Dune::make_shared<BasisGridFunction<P1Basis, VectorType> const>
-             (p1Basis, u));
-          FunctionalAssembler<P0Basis>(p0Basis)
-            .assemble(localStressAssembler, vonMisesStress, true);
-  
-          writeVtk<P1Basis, P0Basis, VectorType, SingletonVectorType, GridView>
-            (p1Basis, u, alpha, p0Basis, vonMisesStress, leafView,
-             (boost::format("obs%d") % run).str());
-        }
+        <<assembleAndWriteStress>>;
       }
-      if (parset.get<bool>("enableTimer"))
-        std::cerr << std::endl
-                  << "Making " << timesteps
-                  << " time steps took " << timer.elapsed()
-                  << "s" << std::endl;
-  
+      <<printBenchmarkData>>;
       <<closeWriters>>;
   
       Python::stop();