diff --git a/AWAControl/diagnostics/utils/roi_finder.py b/AWAControl/diagnostics/utils/roi_finder.py
new file mode 100644
index 0000000000000000000000000000000000000000..e9d06010784c174ed12be4a315d4eac947ec19cc
--- /dev/null
+++ b/AWAControl/diagnostics/utils/roi_finder.py
@@ -0,0 +1,12 @@
+from AWAControl.diagnostics.screen import load_screen, ROI
+image_diagnostic = load_screen("SLIT_YAG")
+import matplotlib.pyplot as plt
+
+from circle_detection import ScreenFinder
+a = ScreenFinder(image_diagnostic.get_raw_data()[0])
+
+print(a.circle.center)
+print(a.circle.radius)
+image_diagnostic.test_measurement()
+
+plt.show()
\ No newline at end of file