diff --git a/Figure_constants.py b/Figure_constants.py
new file mode 100644
index 0000000..9ef36a6
--- /dev/null
+++ b/Figure_constants.py
@@ -0,0 +1,8 @@
+
+
+FIG_SIZE_SMALL = (4, 4)
+FIG_SIZE_MEDIUM = (6, 6)
+FIG_SIZE_LARGE = (8, 8)
+
+COLOR_MODEL = "orange"
+COLOR_DATA = "blue"