diff --git a/examples/1_pipeline.py b/examples/1_pipeline.py
index 2593b51..03f71fc 100644
--- a/examples/1_pipeline.py
+++ b/examples/1_pipeline.py
@@ -19,8 +19,8 @@
 colors = colors/np.max(colors)
 
 # ------------------------------ 2. modify vertices(transformation. change position of obj)
-# scale. target size=200 for example
-s = 200/(np.max(vertices[:,1]) - np.min(vertices[:,1]))
+# scale. target size=180 for example
+s = 180/(np.max(vertices[:,1]) - np.min(vertices[:,1]))
 # rotate 30 degree for example
 R = mesh.transform.angle2matrix([0, 30, 0]) 
 # no translation. center of obj:[0,0]
diff --git a/examples/2_3dmm.py b/examples/2_3dmm.py
index 9616be2..e0be9bb 100644
--- a/examples/2_3dmm.py
+++ b/examples/2_3dmm.py
@@ -29,7 +29,7 @@
 colors = np.minimum(np.maximum(colors, 0), 1)
 
 # --- 3. transform vertices to proper position
-s = 1e-03
+s = 8e-04
 angles = [10, 30, 20]
 t = [0, 0, 0]
 transformed_vertices = bfm.transform(vertices, s, angles, t)
diff --git a/examples/4_light.py b/examples/4_light.py
index eaf4887..e05d1c9 100644
--- a/examples/4_light.py
+++ b/examples/4_light.py
@@ -30,12 +30,12 @@ def light_test(vertices, light_positions, light_intensities, h = 256, w = 256):
 colors = colors/np.max(colors)
 # move center to [0,0,0]
 vertices = vertices - np.mean(vertices, 0)[np.newaxis, :]
-s = 200/(np.max(vertices[:,1]) - np.min(vertices[:,1]))
+s = 180/(np.max(vertices[:,1]) - np.min(vertices[:,1]))
 R = mesh.transform.angle2matrix([0, 0, 0]) 
 t = [0, 0, 0]
 vertices = mesh.transform.similarity_transform(vertices, s, R, t)
 
-
+# save settings
 save_folder = 'results/light'
 if not os.path.exists(save_folder):
     os.mkdir(save_folder)
diff --git a/examples/5_render.py b/examples/5_render.py
index 88cbf1e..e45bfce 100644
--- a/examples/5_render.py
+++ b/examples/5_render.py
@@ -21,7 +21,7 @@
 colors = colors/np.max(colors)
 # move center to [0,0,0]
 vertices = vertices - np.mean(vertices, 0)[np.newaxis, :]
-s = 200/(np.max(vertices[:,1]) - np.min(vertices[:,1]))
+s = 180/(np.max(vertices[:,1]) - np.min(vertices[:,1]))
 R = mesh.transform.angle2matrix([0, 0, 0]) 
 t = [0, 0, 0]
 vertices = mesh.transform.similarity_transform(vertices, s, R, t)
diff --git a/examples/6_generate_image_map.py b/examples/6_generate_image_map.py
index 7ff7aa5..d076635 100644
--- a/examples/6_generate_image_map.py
+++ b/examples/6_generate_image_map.py
@@ -21,7 +21,7 @@
 
 # ------------------------------ modify vertices(transformation. change position of obj)
 # scale. target size=200 for example
-s = 200/(np.max(vertices[:,1]) - np.min(vertices[:,1]))
+s = 180/(np.max(vertices[:,1]) - np.min(vertices[:,1]))
 # rotate 30 degree for example
 R = mesh.transform.angle2matrix([0, 30, 0]) 
 # no translation. center of obj:[0,0]
diff --git a/examples/7_generate_uv_map.py b/examples/7_generate_uv_map.py
index 244d892..e048c8e 100644
--- a/examples/7_generate_uv_map.py
+++ b/examples/7_generate_uv_map.py
@@ -29,7 +29,7 @@ def process_uv(uv_coords, uv_h = 256, uv_w = 256):
 vertices = C['vertices']; colors = C['colors']; triangles = C['full_triangles']; 
 colors = colors/np.max(colors)
 # --modify vertices(transformation. change position of obj)
-s = 200/(np.max(vertices[:,1]) - np.min(vertices[:,1]))
+s = 180/(np.max(vertices[:,1]) - np.min(vertices[:,1]))
 R = mesh.transform.angle2matrix([0, 30, 0]) 
 t = [0, 0, 0]
 transformed_vertices = mesh.transform.similarity_transform(vertices, s, R, t)