diff --git a/Horizontal.py b/Horizontal.py
new file mode 100644
index 0000000..4bd47f5
--- /dev/null
+++ b/Horizontal.py
@@ -0,0 +1,6 @@
+
+from Constraint import Constraint
+
+class Horizontal(Constraint):
+    def __init__(self, shape):
+        self.shape = shape
diff --git a/Vertical.py b/Vertical.py
new file mode 100644
index 0000000..42a1d65
--- /dev/null
+++ b/Vertical.py
@@ -0,0 +1,6 @@
+
+from Constraint import Constraint
+
+class Vertical(Constraint):
+    def __init__(self, shape):
+        self.shape = shape