diff --git a/scene-graph.scg b/scene-graph.scg
index bd634c0..1467909 100644
--- a/scene-graph.scg
+++ b/scene-graph.scg
@@ -1586,7 +1586,7 @@ obj 147
 name myChalkboard
 scale 1.9 1.9 1.9
 rotateX 0.0
-rotateY 0.0
+rotateY 3.14
 rotateZ 0.0
 translate 6.4 -0.3 0.3