diff --git a/scanslicer/slices.py b/scanslicer/slices.py
new file mode 100644
index 0000000..77260c4
--- /dev/null
+++ b/scanslicer/slices.py
@@ -0,0 +1,5 @@
+import numpy as np
+import cv2
+
+
+# PhotoSlice: class definition for ScanSlicer behavior.