diff --git a/pixelflut.c b/pixelflut.c
index 1a8b2e6..1f3cf2e 100644
--- a/pixelflut.c
+++ b/pixelflut.c
@@ -65,7 +65,7 @@
 #define FRAME_BYTES    (FRAME_PIXELS * FRAME_CHANNELS)
 
 /* Top-left corner where the frame is drawn on the shared wall. */
-#define CANVAS_OFFSET_X 1200
+#define CANVAS_OFFSET_X 80
 #define CANVAS_OFFSET_Y 40
 
 /* Number of datagrams needed to cover a whole frame once. */
diff --git a/run.sh b/run.sh
new file mode 100755
index 0000000..d0eef33
--- /dev/null
+++ b/run.sh
@@ -0,0 +1,2 @@
+#!/usr/bin/env bash
+./pixelflut-render ix1 2