diff --git a/scene-graph.scg b/scene-graph.scg
index 7b1b29b..910c4a8 100644
--- a/scene-graph.scg
+++ b/scene-graph.scg
@@ -22,6 +22,10 @@ model 5
 file ../obj/laptop/Laptop.obj
 texture ../texture/laptop/Laptop.png
 
+model 6
+file ../obj/walls/Chalkboard_Walls_Ground.obj
+texture ../texture/walls/Wooden_Wall.png
+
 # Reihe 1 #
 
 # Platz 1 #
@@ -1605,7 +1609,7 @@ use 4
 name myTable1
 scale 1.0 1.0 1.0
 rotateX 0.0
-rotateY 3.1
+rotateY 3.14159
 rotateZ 0.0
 translate 0.3 0.0 -0.7
 parent 0
@@ -1620,4 +1624,16 @@ rotateX 0.0
 rotateY 0.0
 rotateZ 0.0
 translate 1.0 0.8 1.0
-parent 0
\ No newline at end of file
+parent 0
+
+# Walls 1 #
+
+obj 144
+use 6
+name myWall1
+scale 1.3 1.3 1.3
+rotateX 0.0
+rotateY 3.14159
+rotateZ 0.0
+translate 0.0 -0.5 -4.20
+parent 138
\ No newline at end of file