diff --git a/py/tests/iact.py b/py/tests/iact.py
--- /dev/null
+++ b/py/tests/iact.py
@@ -0,0 +1,42 @@
+#!/usr/bin/python3 -i
+
+# This is a base script for interactive kms++ python environment
+
+import pykms
+from time import sleep
+from math import sin
+from math import cos
+
+card = pykms.Card()
+res = pykms.ResourceManager(card)
+conn = res.reserve_connector()
+crtc = res.reserve_crtc(conn)
+
+mode = conn.get_default_mode()
+
+fb = pykms.DumbFramebuffer(card, 200, 200, "XR24");
+pykms.draw_test_pattern(fb);
+
+#crtc.set_mode(conn, fb, mode)
+
+i = 0
+for p in card.planes:
+ globals()["plane"+str(i)] = p
+ i=i+1
+
+i = 0
+for c in card.crtcs:
+ globals()["crtc"+str(i)] = c
+ i=i+1
+
+for p in crtc.possible_planes:
+ if p.plane_type == pykms.PlaneType.Overlay:
+ plane = p
+ break
+
+def set_plane(x, y):
+ crtc.set_plane(plane, fb, x, y, fb.width, fb.height, 0, 0, fb.width, fb.height)
+
+set_plane(0, 0)
+
+# for x in range(0, crtc.width() - fb.width()): set_plane(x, int((sin(x/50) + 1) * 100)); sleep(0.01)