diff --git a/wriggers-l-shape-dirichlet-values.py b/wriggers-l-shape-dirichlet-values.py
index 50a8a19dd268a73abad27a92d2b694dacf3a9786..eac737a0f584c379922fdf950115dd5654daac28 100644
--- a/wriggers-l-shape-dirichlet-values.py
+++ b/wriggers-l-shape-dirichlet-values.py
@@ -2,10 +2,17 @@ class DirichletValues:
     def __init__(self, homotopyParameter):
         self.homotopyParameter = homotopyParameter
 
+    # Deformation of 3d classical materials
+    def dirichletValues(self, x):
+        # Clamp the L-shape in its reference configuration
+        return [x[0], x[1], x[2]]
+
+    # Deformation of Cosserat shells
     def deformation(self, x):
         # Clamp the L-shape in its reference configuration
         return [x[0], x[1], 0]
 
+    # Orientation of Cosserat materials
     def orientation(self, x):
         rotation = [[1,0,0], [0, 1, 0], [0, 0, 1]]
         return rotation