diff --git a/maps/cross.json b/maps/cross.json
new file mode 100644
index 0000000..c4156e0
--- /dev/null
+++ b/maps/cross.json
@@ -0,0 +1 @@
+[{"__type__": "objSegment", "isFinite": false, "pointA": {"__type__": "complex", "real": 1.0, "imag": 0.0}, "pointB": {"__type__": "complex", "real": 0.0, "imag": 0.0}, "color": [255, 0, 0]}, {"__type__": "objSegment", "isFinite": false, "pointA": {"__type__": "complex", "real": 0.0, "imag": 1.0}, "pointB": {"__type__": "complex", "real": 0.0, "imag": 0.0}, "color": [0, 255, 0]}]
\ No newline at end of file
diff --git a/maps/empty.json b/maps/empty.json
new file mode 100644
index 0000000..50b31d4
--- /dev/null
+++ b/maps/empty.json
@@ -0,0 +1 @@
+[{"__type__": "objSegment", "isFinite": true, "pointA": {"__type__": "complex", "real": 0.0, "imag": 0.0}, "pointB": {"__type__": "complex", "real": 0.0, "imag": 0.0}, "color": [0, 0, 0]}]
\ No newline at end of file
diff --git a/maps/squareroom.json b/maps/squareroom.json
new file mode 100644
index 0000000..5c94cc5
--- /dev/null
+++ b/maps/squareroom.json
@@ -0,0 +1 @@
+[{"__type__": "objSegment", "isFinite": true, "pointA": {"__type__": "complex", "real": 0.6, "imag": 0.0}, "pointB": {"__type__": "complex", "real": 0.0, "imag": 0.6}, "color": [255, 0, 0]}, {"__type__": "objSegment", "isFinite": true, "pointA": {"__type__": "complex", "real": 0.6, "imag": 0.0}, "pointB": {"__type__": "complex", "real": 0.0, "imag": -0.6}, "color": [0, 255, 0]}, {"__type__": "objSegment", "isFinite": true, "pointA": {"__type__": "complex", "real": -0.6, "imag": 0.0}, "pointB": {"__type__": "complex", "real": 0.0, "imag": -0.6}, "color": [0, 0, 255]}, {"__type__": "objSegment", "isFinite": true, "pointA": {"__type__": "complex", "real": -0.6, "imag": 0.0}, "pointB": {"__type__": "complex", "real": 0.0, "imag": 0.6}, "color": [255, 255, 0]}]
\ No newline at end of file
diff --git a/maps/triangle.json b/maps/triangle.json
new file mode 100644
index 0000000..504a811
--- /dev/null
+++ b/maps/triangle.json
@@ -0,0 +1 @@
+[{"__type__": "objSegment", "isFinite": true, "pointA": {"__type__": "complex", "real": 0.38529100476842437, "imag": 0.0}, "pointB": {"__type__": "complex", "real": -0.2372040619364459, "imag": 0.36629343026935063}, "color": [255, 0, 0]}, {"__type__": "objSegment", "isFinite": true, "pointA": {"__type__": "complex", "real": -0.2372040619364459, "imag": 0.36629343026935063}, "pointB": {"__type__": "complex", "real": -0.22354939429564802, "imag": -0.26820653903460523}, "color": [0, 255, 0]}, {"__type__": "objSegment", "isFinite": true, "pointA": {"__type__": "complex", "real": -0.22354939429564802, "imag": -0.26820653903460523}, "pointB": {"__type__": "complex", "real": 0.39868528559672944, "imag": 0.017873216691274733}, "color": [0, 0, 255]}]
\ No newline at end of file
diff --git a/serialize.py b/serialize.py
new file mode 100644
index 0000000..0deb3cb
--- /dev/null
+++ b/serialize.py
@@ -0,0 +1,18 @@
+import levels
+
+def object_hook(dct):
+    if '__type__' not in dct:
+        return dct
+    if dct['__type__'] == 'complex':
+        return complex(dct['real'], dct['imag'])
+    if dct['__type__'] == 'objSegment':
+        return levels.Segment(dct['isFinite'], dct['pointA'], dct['pointB'], tuple(dct['color']))
+    return dct
+
+def default(obj):
+    if isinstance(obj, complex):
+        return {"__type__": "complex", "real": obj.real, "imag": obj.imag}
+    elif isinstance(obj, levels.Segment):
+        return {"__type__": "objSegment", "isFinite": obj.isFinite, "pointA": obj.pointA, "pointB": obj.pointB, "color": obj.color}
+    else:
+        raise TypeError("This type is not JSON serializable.")