diff --git a/doc/_static/class_diagram.png b/doc/_static/class_diagram.png
index 67a55cd..6fa2ab3 100644
Binary files a/doc/_static/class_diagram.png and b/doc/_static/class_diagram.png differ
diff --git a/doc/api.rst b/doc/api.rst
index 1f9ef36..6d5d790 100644
--- a/doc/api.rst
+++ b/doc/api.rst
@@ -1,77 +1,77 @@
 ***********
 Hyppopy API
 ***********
 
 Main Classes
 ############
 
 HyppopyProject
 **************
 .. automodule:: hyppopy.HyppopyProject
     :members:
 	
-BlackboxFunction
-****************
-.. automodule:: hyppopy.BlackboxFunction
-    :members:
-		
 HyppopySolver
 *************
 .. automodule:: hyppopy.solvers.HyppopySolver
     :members:
 	
+BlackboxFunction
+****************
+.. automodule:: hyppopy.BlackboxFunction
+    :members:
+	
 SolverPool
 **********
 .. automodule:: hyppopy.SolverPool
     :members:
 	
 Solver Classes
 ##############
 	
 HyperoptSolver
 **************
 .. automodule:: hyppopy.solvers.HyperoptSolver
     :members:
 	
 OptunitySolver
 **************
 .. automodule:: hyppopy.solvers.OptunitySolver
     :members:
 	
 OptunaSolver
 **************
 .. automodule:: hyppopy.solvers.OptunaSolver
     :members:
 	
 RandomsearchSolver
 ******************
 .. automodule:: hyppopy.solvers.RandomsearchSolver
     :members:
 	
 QuasiRandomsearchSolver
 ***********************
 .. automodule:: hyppopy.solvers.QuasiRandomsearchSolver
     :members:
 	
 RandomsearchSolver
 ******************
 .. automodule:: hyppopy.solvers.RandomsearchSolver
     :members:
 	
 Helpers
 #######
 
 VisdomViewer
 ************
 .. automodule:: hyppopy.VisdomViewer
     :members:
 	
 FunctionSimulator
 *****************
 .. automodule:: hyppopy.FunctionSimulator
     :members:
 	
 Singleton
 *********
 .. automodule:: hyppopy.Singleton
     :members:
\ No newline at end of file
diff --git a/doc/developer_guide.rst b/doc/developer_guide.rst
index 4308c07..b45b3e6 100644
--- a/doc/developer_guide.rst
+++ b/doc/developer_guide.rst
@@ -1,3 +1,5 @@
 ****************
 Developers Guide
 ****************
+
+.. image:: _static/class_diagram.png
\ No newline at end of file
diff --git a/resources/hyppopy.vpp b/resources/hyppopy.vpp
new file mode 100644
index 0000000..3da44d0
Binary files /dev/null and b/resources/hyppopy.vpp differ