diff --git a/abstractfactory/chicagopizzaingredientfactory.d b/abstractfactory/chicagopizzaingredientfactory.d
index b51735f..9de0d9e 100644
--- a/abstractfactory/chicagopizzaingredientfactory.d
+++ b/abstractfactory/chicagopizzaingredientfactory.d
@@ -2,7 +2,7 @@ module abstractfactory.chicagopizzaingredientfactory;
 
 import abstractfactory.pizzaingredientfactory;
 import abstractfactory.dough;
-import abstractfactory.thincrustdough;
+import abstractfactory.thickcrustdough;
 import abstractfactory.sauce;
 import abstractfactory.plumtomatosauce;
 import abstractfactory.cheese;
diff --git a/abstractfactory/thickcrustdough.d b/abstractfactory/thickcrustdough.d
new file mode 100644
index 0000000..104656e
--- /dev/null
+++ b/abstractfactory/thickcrustdough.d
@@ -0,0 +1,16 @@
+module abstractfactory.thickcrustdough;
+
+import abstractfactory.dough;
+
+class ThinCrustDough : Dough
+{
+    override string toString() const @safe pure nothrow
+    {
+        return "ThickCrust style extra thick crust dough";
+    }
+
+    string opBinary(string op : "~")(string s)
+    {
+        return (cast(Object)this).toString() ~ s;
+    }
+}