diff --git a/core/context/simple_class_diagrams.py b/core/context/simple_class_diagrams.py
new file mode 100644
index 0000000..fcfc41f
--- /dev/null
+++ b/core/context/simple_class_diagrams.py
@@ -0,0 +1,192 @@
+from core.element import Element
+from state.base import State, STRING, INTEGER, BOOLEAN, TYPE
+from core.context.generic import GenericContext
+
+
+class SCDContext(GenericContext):
+    def __init__(self, state: State, model: Element, metamodel: Element):
+        super().__init__(state, model, metamodel)
+
+    def _bootstrap_scd(self) -> Element:
+
+        scd = self.state.create_nodevalue("SimpleClassDiagrams")
+        self.state.create_dict(self.state.read_root(), "SimpleClassDiagrams", scd)
+        self.state.create_dict(scd, "Model", self.state.create_node())
+        self.state.create_dict(scd, "Metamodel", scd)
+        super().__init__(self.state, Element(id=scd), Element(id=scd))
+
+        # Classes --> elements that will be typed by Class
+        self.bottom.add_node(Element(value="Element"))
+        self.bottom.add_node(Element(value="Class"))
+        self.bottom.add_value(Element(value="Attribute"), Element(value=TYPE))
+
+        # Associations --> elements that will be typed by Association
+        self.bottom.add_edge(Element(value="Association"), Element(value="Class"), Element(value="Class"))
+        self.bottom.add_edge(Element(value="Inheritance"), Element(value="Element"), Element(value="Element"))
+        self.bottom.add_edge(Element(value="AttributeLink"), Element(value="Element"), Element(value="Attribute"))
+
+        # Attributes --> elements that will be typed by Attribute
+        self.bottom.add_value(Element(value="Class_lower_cardinality"), Element(value=INTEGER))
+        self.bottom.add_value(Element(value="Class_upper_cardinality"), Element(value=INTEGER))
+
+        self.bottom.add_value(Element(value="Association_source_lower_cardinality"), Element(value=INTEGER))
+        self.bottom.add_value(Element(value="Association_source_upper_cardinality"), Element(value=INTEGER))
+        self.bottom.add_value(Element(value="Association_target_lower_cardinality"), Element(value=INTEGER))
+        self.bottom.add_value(Element(value="Association_target_upper_cardinality"), Element(value=INTEGER))
+
+        self.bottom.add_value(Element(value="Attribute_name"), Element(value=STRING))
+        self.bottom.add_value(Element(value="Attribute_optional"), Element(value=BOOLEAN))
+
+        # Attribute instances --> elements that will be typed by one of the Attributes defined above
+        self.bottom.add_value(Element(value="Attribute_name.name"), Element(value="name"))
+        self.bottom.add_value(Element(value="Attribute_name.optional"), Element(value=False))
+        self.bottom.add_value(Element(value="Attribute_optional.name"), Element(value="optional"))
+        self.bottom.add_value(Element(value="Attribute_optional.optional"), Element(value=False))
+
+        self.bottom.add_value(Element(value="Class_lower_cardinality.name"), Element(value="lower_cardinality"))
+        self.bottom.add_value(Element(value="Class_lower_cardinality.optional"), Element(value=True))
+        self.bottom.add_value(Element(value="Class_upper_cardinality.name"), Element(value="upper_cardinality"))
+        self.bottom.add_value(Element(value="Class_upper_cardinality.optional"), Element(value=True))
+
+        self.bottom.add_value(Element(value="Association_source_lower_cardinality.name"), Element(value="source_lower_cardinality"))
+        self.bottom.add_value(Element(value="Association_source_lower_cardinality.optional"), Element(value=True))
+        self.bottom.add_value(Element(value="Association_source_upper_cardinality.name"), Element(value="source_upper_cardinality"))
+        self.bottom.add_value(Element(value="Association_source_upper_cardinality.optional"), Element(value=True))
+
+        self.bottom.add_value(Element(value="Association_target_lower_cardinality.name"), Element(value="target_lower_cardinality"))
+        self.bottom.add_value(Element(value="Association_target_lower_cardinality.optional"), Element(value=True))
+        self.bottom.add_value(Element(value="Association_target_upper_cardinality.name"), Element(value="target_upper_cardinality"))
+        self.bottom.add_value(Element(value="Association_target_upper_cardinality.optional"), Element(value=True))
+
+        # Inheritance instances --> elements that will be typed by Inheritance
+        self.bottom.add_edge(Element(value="class_inh_element"), Element(value="Class"), Element(value="Element"))
+        self.bottom.add_edge(Element(value="attribute_inh_element"), Element(value="Attribute"), Element(value="Element"))
+        self.bottom.add_edge(Element(value="association_inh_element"), Element(value="Association"), Element(value="Element"))
+        self.bottom.add_edge(Element(value="attributelink_inh_element"), Element(value="AttributeLink"), Element(value="Element"))
+
+        # AttributeLinks --> elements that will be typed by AttributeLink
+        self.bottom.add_edge(Element(value="Class_attr01"), Element(value="Class"), Element(value="Class_lower_cardinality"))
+        self.bottom.add_edge(Element(value="Class_attr02"), Element(value="Class"), Element(value="Class_upper_cardinality"))
+
+        self.bottom.add_edge(Element(value="Association_attr01"), Element(value="Association"), Element(value="Association_source_lower_cardinality"))
+        self.bottom.add_edge(Element(value="Association_attr02"), Element(value="Association"), Element(value="Association_source_upper_cardinality"))
+        self.bottom.add_edge(Element(value="Association_attr03"), Element(value="Association"), Element(value="Association_target_lower_cardinality"))
+        self.bottom.add_edge(Element(value="Association_attr04"), Element(value="Association"), Element(value="Association_target_upper_cardinality"))
+
+        self.bottom.add_edge(Element(value="Attribute_name_link"), Element(value="Attribute"), Element(value="Attribute_name"))
+        self.bottom.add_edge(Element(value="Attribute_optional_link"), Element(value="Attribute"), Element(value="Attribute_optional"))
+
+        # AttributeLink instances --> elements that will be typed by one of the AttributeLink defined above
+        self.bottom.add_edge(Element(value="Attribute_name_link_01"), Element(value="Attribute_name"), Element(value="Attribute_name.name"))
+        self.bottom.add_edge(Element(value="Attribute_optional_link_01"), Element(value="Attribute_name"), Element(value="Attribute_name.optional"))
+        self.bottom.add_edge(Element(value="Attribute_name_link_02"), Element(value="Attribute_optional"), Element(value="Attribute_optional.name"))
+        self.bottom.add_edge(Element(value="Attribute_optional_link_02"), Element(value="Attribute_optional"), Element(value="Attribute_optional.optional"))
+
+        self.bottom.add_edge(Element(value="Attribute_name_link_03"), Element(value="Class_lower_cardinality"), Element(value="Class_lower_cardinality.name"))
+        self.bottom.add_edge(Element(value="Attribute_optional_link_03"), Element(value="Class_lower_cardinality"), Element(value="Class_lower_cardinality.optional"))
+        self.bottom.add_edge(Element(value="Attribute_name_link_04"), Element(value="Class_upper_cardinality"), Element(value="Class_upper_cardinality.name"))
+        self.bottom.add_edge(Element(value="Attribute_optional_link_04"), Element(value="Class_upper_cardinality"), Element(value="Class_upper_cardinality.optional"))
+
+        self.bottom.add_edge(Element(value="Attribute_name_link_05"), Element(value="Association_source_lower_cardinality"), Element(value="Association_source_lower_cardinality.name"))
+        self.bottom.add_edge(Element(value="Attribute_optional_link_05"), Element(value="Association_source_lower_cardinality"), Element(value="Association_source_lower_cardinality.optional"))
+        self.bottom.add_edge(Element(value="Attribute_name_link_06"), Element(value="Association_source_upper_cardinality"), Element(value="Association_source_upper_cardinality.name"))
+        self.bottom.add_edge(Element(value="Attribute_optional_link_06"), Element(value="Association_source_upper_cardinality"), Element(value="Association_source_upper_cardinality.optional"))
+
+        self.bottom.add_edge(Element(value="Attribute_name_link_07"), Element(value="Association_target_lower_cardinality"), Element(value="Association_target_lower_cardinality.name"))
+        self.bottom.add_edge(Element(value="Attribute_optional_link_07"), Element(value="Association_target_lower_cardinality"), Element(value="Association_target_lower_cardinality.optional"))
+        self.bottom.add_edge(Element(value="Attribute_name_link_08"), Element(value="Association_target_upper_cardinality"), Element(value="Association_target_upper_cardinality.name"))
+        self.bottom.add_edge(Element(value="Attribute_optional_link_08"), Element(value="Association_target_upper_cardinality"), Element(value="Association_target_upper_cardinality.optional"))
+
+        """
+        Retype the elements of the model.
+        This way we make the model "metacircular".
+        """
+        self.retype_element(Element(value="Element"), Element(value="Class"))
+        self.retype_element(Element(value="Class"), Element(value="Class"))
+        self.retype_element(Element(value="Attribute"), Element(value="Class"))
+
+        self.retype_element(Element(value="Association"), Element(value="Association"))
+        self.retype_element(Element(value="Inheritance"), Element(value="Association"))
+        self.retype_element(Element(value="AttributeLink"), Element(value="Association"))
+
+        self.retype_element(Element(value="Class_lower_cardinality"), Element(value="Attribute"))
+        self.retype_element(Element(value="Class_upper_cardinality"), Element(value="Attribute"))
+        self.retype_element(Element(value="Association_source_lower_cardinality"), Element(value="Attribute"))
+        self.retype_element(Element(value="Association_source_upper_cardinality"), Element(value="Attribute"))
+        self.retype_element(Element(value="Association_target_lower_cardinality"), Element(value="Attribute"))
+        self.retype_element(Element(value="Association_target_upper_cardinality"), Element(value="Attribute"))
+        self.retype_element(Element(value="Attribute_name"), Element(value="Attribute"))
+        self.retype_element(Element(value="Attribute_optional"), Element(value="Attribute"))
+
+        self.retype_element(Element(value="Class_attr01"), Element(value="AttributeLink"))
+        self.retype_element(Element(value="Class_attr02"), Element(value="AttributeLink"))
+        self.retype_element(Element(value="Association_attr01"), Element(value="AttributeLink"))
+        self.retype_element(Element(value="Association_attr02"), Element(value="AttributeLink"))
+        self.retype_element(Element(value="Association_attr03"), Element(value="AttributeLink"))
+        self.retype_element(Element(value="Association_attr04"), Element(value="AttributeLink"))
+        self.retype_element(Element(value="Attribute_name_link"), Element(value="AttributeLink"))
+        self.retype_element(Element(value="Attribute_optional_link"), Element(value="AttributeLink"))
+
+        self.retype_element(Element(value="class_inh_element"), Element(value="Inheritance"))
+        self.retype_element(Element(value="attribute_inh_element"), Element(value="Inheritance"))
+        self.retype_element(Element(value="association_inh_element"), Element(value="Inheritance"))
+        self.retype_element(Element(value="attributelink_inh_element"), Element(value="Inheritance"))
+
+        self.retype_element(Element(value="Attribute_name.name"), Element(value="Attribute_name"))
+        self.retype_element(Element(value="Attribute_name.optional"),Element(value="Attribute_optional"))
+        self.retype_element(Element(value="Attribute_optional.name"), Element(value="Attribute_name"))
+        self.retype_element(Element(value="Attribute_optional.optional"), Element(value="Attribute_optional"))
+        self.retype_element(Element(value="Class_lower_cardinality.name"), Element(value="Attribute_name"))
+        self.retype_element(Element(value="Class_lower_cardinality.optional"), Element(value="Attribute_optional"))
+        self.retype_element(Element(value="Class_upper_cardinality.name"), Element(value="Attribute_name"))
+        self.retype_element(Element(value="Class_upper_cardinality.optional"), Element(value="Attribute_optional"))
+        self.retype_element(Element(value="Association_source_lower_cardinality.name"), Element(value="Attribute_name"))
+        self.retype_element(Element(value="Association_source_lower_cardinality.optional"), Element(value="Attribute_optional"))
+        self.retype_element(Element(value="Association_source_upper_cardinality.name"), Element(value="Attribute_name"))
+        self.retype_element(Element(value="Association_source_upper_cardinality.optional"), Element(value="Attribute_optional"))
+        self.retype_element(Element(value="Association_target_lower_cardinality.name"), Element(value="Attribute_name"))
+        self.retype_element(Element(value="Association_target_lower_cardinality.optional"), Element(value="Attribute_optional"))
+        self.retype_element(Element(value="Association_target_upper_cardinality.name"), Element(value="Attribute_name"))
+        self.retype_element(Element(value="Association_target_upper_cardinality.optional"), Element(value="Attribute_optional"))
+
+        self.retype_element(Element(value="Attribute_name_link_01"), Element(value="Attribute_name_link"))
+        self.retype_element(Element(value="Attribute_optional_link_01"), Element(value="Attribute_optional_link"))
+        self.retype_element(Element(value="Attribute_name_link_02"), Element(value="Attribute_name_link"))
+        self.retype_element(Element(value="Attribute_optional_link_02"), Element(value="Attribute_optional_link"))
+        self.retype_element(Element(value="Attribute_name_link_03"), Element(value="Attribute_name_link"))
+        self.retype_element(Element(value="Attribute_optional_link_03"), Element(value="Attribute_optional_link"))
+        self.retype_element(Element(value="Attribute_name_link_04"), Element(value="Attribute_name_link"))
+        self.retype_element(Element(value="Attribute_optional_link_04"), Element(value="Attribute_optional_link"))
+        self.retype_element(Element(value="Attribute_name_link_05"), Element(value="Attribute_name_link"))
+        self.retype_element(Element(value="Attribute_optional_link_05"), Element(value="Attribute_optional_link"))
+        self.retype_element(Element(value="Attribute_name_link_06"), Element(value="Attribute_name_link"))
+        self.retype_element(Element(value="Attribute_optional_link_06"), Element(value="Attribute_optional_link"))
+        self.retype_element(Element(value="Attribute_name_link_07"), Element(value="Attribute_name_link"))
+        self.retype_element(Element(value="Attribute_optional_link_07"), Element(value="Attribute_optional_link"))
+        self.retype_element(Element(value="Attribute_name_link_08"), Element(value="Attribute_name_link"))
+        self.retype_element(Element(value="Attribute_optional_link_08"), Element(value="Attribute_optional_link"))
+
+        return Element(id=scd)
+
+
+def main():
+    from state.devstate import DevState
+
+    s = DevState()
+    scd = SCDContext(s, Element(), Element())
+    bootstrap = scd._bootstrap_scd()
+    model = s.read_dict(bootstrap.id, "Model")
+    x = []
+    for e in s.read_outgoing(model):
+        label_node_edge, = s.read_outgoing(e)
+        _, label_node = s.read_edge(label_node_edge)
+        type_node = s.read_dict(label_node, "Type")
+        x.append(f"{s.read_value(label_node)} : {s.read_value(type_node)}")
+    for t in sorted(x):
+        print(t)
+
+    # s.dump("out/scd.dot", "out/scd.png")
+
+
+if __name__ == '__main__':
+    main()