diff --git a/scanslicer/canvas_render.py b/scanslicer/canvas_render.py
new file mode 100644
index 0000000..9329f31
--- /dev/null
+++ b/scanslicer/canvas_render.py
@@ -0,0 +1,6 @@
+import numpy as np
+from PySide6.QtCore import QRectF, Qt
+from PySide6.QtGui import QColor, QFont, QPainter, QPen
+
+
+# CanvasRenderMixin: class definition for ScanSlicer behavior.