diff --git a/src/product_gen/__pycache__/generate_lamp.cpython-35.pyc b/src/product_gen/__pycache__/generate_lamp.cpython-35.pyc
index 222d423..ce8f238 100644
Binary files a/src/product_gen/__pycache__/generate_lamp.cpython-35.pyc and b/src/product_gen/__pycache__/generate_lamp.cpython-35.pyc differ
diff --git a/src/product_gen/__pycache__/generate_shades.cpython-35.pyc b/src/product_gen/__pycache__/generate_shades.cpython-35.pyc
index 0b890f6..58fb9a3 100644
Binary files a/src/product_gen/__pycache__/generate_shades.cpython-35.pyc and b/src/product_gen/__pycache__/generate_shades.cpython-35.pyc differ
diff --git a/src/product_gen/generate_lamp.py b/src/product_gen/generate_lamp.py
index 6719a64..a73f672 100644
--- a/src/product_gen/generate_lamp.py
+++ b/src/product_gen/generate_lamp.py
@@ -27,7 +27,7 @@ def generate_models(shape_parameters):
                                                                  location)
         # Chord
         radius = 0.05
-        height = 6.0
+        height = 10.0
         location = (0.0, 0.0, height/2.0)
         chord = product_gen.generate_lamp_base.generate_chord(height, 
                                                               radius, 
diff --git a/src/product_gen/generate_shades.py b/src/product_gen/generate_shades.py
index 7b762fc..935677f 100644
--- a/src/product_gen/generate_shades.py
+++ b/src/product_gen/generate_shades.py
@@ -117,7 +117,7 @@ def generate_mesh_shade(shape_parameters):
         if abs(vert.co.z)<shape_parameters["stem_length"]:
             rad = shape_parameters["fixture_radius"]
         else:
-            rad = morph_shape(1.8*(abs(vert.co.z)-shape_parameters["stem_length"]), 
+            rad = morph_shape(1.0*(abs(vert.co.z)-shape_parameters["stem_length"]), 
                               depth-shape_parameters["stem_length"], 
                               radius1-shape_parameters["fixture_radius"], 
                               morph_type=shape_parameters["division_pattern"])
diff --git a/src/rendering/__pycache__/setup_renderer.cpython-35.pyc b/src/rendering/__pycache__/setup_renderer.cpython-35.pyc
index aabeac7..dff92fa 100644
Binary files a/src/rendering/__pycache__/setup_renderer.cpython-35.pyc and b/src/rendering/__pycache__/setup_renderer.cpython-35.pyc differ
diff --git a/src/rendering/__pycache__/setup_scene.cpython-35.pyc b/src/rendering/__pycache__/setup_scene.cpython-35.pyc
index b736b11..0f7582e 100644
Binary files a/src/rendering/__pycache__/setup_scene.cpython-35.pyc and b/src/rendering/__pycache__/setup_scene.cpython-35.pyc differ
diff --git a/src/rendering/setup_renderer.py b/src/rendering/setup_renderer.py
index 34fa8b1..2a608fe 100644
--- a/src/rendering/setup_renderer.py
+++ b/src/rendering/setup_renderer.py
@@ -12,6 +12,7 @@ def setup_renderer(shape_parameters, engine="CYCLES"):
         this_scene.cycles.caustics_refractive = False
         this_scene.cycles.max_bounces = 0.0
     this_scene.render.use_border = False
+    this_scene.render.use_simplify = True
     this_scene.render.border_max_y = 0.75
     this_scene.render.border_min_y = 0.33
     this_scene.render.border_min_x = 0.25 
diff --git a/src/rendering/setup_scene.py b/src/rendering/setup_scene.py
index bbf8c70..5ae69b2 100644
--- a/src/rendering/setup_scene.py
+++ b/src/rendering/setup_scene.py
@@ -11,35 +11,44 @@ def initialize_scene(shape_parameters):
 def setup_scene(shape_parameters): 
     
     # Set up world
-    bpy.context.scene.world.use_sky_paper = True
-    bpy.context.scene.world.horizon_color = (0.99, 0.8, 0.8)
-    #bpy.context.scene.world.light_settings.use_environment_light = True
-    
-    # Add back wall
-    bpy.ops.mesh.primitive_plane_add(radius=20, location=(-10.0, 0.0, 0.0))
-    bpy.ops.transform.rotate(value=math.pi/2.0, axis=(0.0,1.0,0.0))
-    bpy.data.objects["Plane"].name = "back_wall"
-    mat = bpy.data.materials.get("backwall-material")
-    if mat is None:
-        mat = bpy.data.materials.new("backwall-material")
-    mat.diffuse_color = (0.25, 0.25, 0.25)
-    mat.specular_color = (0.25, 0.25, 0.25)
-    mat.diffuse_intensity = 1.0
-    mat.specular_intensity = 1.0
-    bpy.context.scene.objects.active = bpy.data.objects["back_wall"]
-    if bpy.context.active_object.data.materials:
-        # assign to 1st material slot
-        bpy.context.active_object.data.materials[0] = mat
+    use_backwall = False
+    if not use_backwall:
+        bpy.context.scene.world.use_sky_paper = True
+        bpy.context.scene.world.horizon_color = (1.0, 1.0, 1.0)
+        #bpy.context.scene.world.light_settings.use_environment_light = True
     else:
-        # no slots
-        bpy.context.active_object.data.materials.append(mat)     
+        
+        # Add back wall
+        bpy.ops.mesh.primitive_plane_add(radius=20, location=(-10.0, 0.0, 0.0))
+        bpy.ops.transform.rotate(value=math.pi/2.0, axis=(0.0,1.0,0.0))
+        bpy.data.objects["Plane"].name = "back_wall"
+        mat = bpy.data.materials.get("backwall-material")
+        if mat is None:
+            mat = bpy.data.materials.new("backwall-material")
+        mat.diffuse_color = (0.25, 0.25, 0.25)
+        mat.specular_color = (0.25, 0.25, 0.25)
+        mat.diffuse_intensity = 1.0
+        mat.specular_intensity = 1.0
+        bpy.context.scene.objects.active = bpy.data.objects["back_wall"]
+        if bpy.context.active_object.data.materials:
+            # assign to 1st material slot
+            bpy.context.active_object.data.materials[0] = mat
+        else:
+            # no slots
+            bpy.context.active_object.data.materials.append(mat)  
     
     # Set up cameras
-    bpy.data.objects["Camera"].location = (8.5, 0.0, -2)
+    radius = shape_parameters["radius"]
+    height = shape_parameters["height"]
+    xloc = 1.5 + (3.0*radius + height)/2.0
+    zloc = -0.4 - height
+    
+    bpy.data.objects["Camera"].location = (xloc, 0.0000, zloc)
     fov = 65.0
+
     bpy.data.objects["Camera"].data.angle = fov*(math.pi/180.0)
     bpy.data.objects["Camera"].rotation_mode = 'XYZ'
-    bpy.data.objects["Camera"].rotation_euler[0] = 1.5
+    bpy.data.objects["Camera"].rotation_euler[0] = 1.9326
     bpy.data.objects["Camera"].rotation_euler[1] = 0.0
     bpy.data.objects["Camera"].rotation_euler[2] = 1.5708
     
diff --git a/src/utility/generate_shape.py b/src/utility/generate_shape.py
index b266890..4f29d37 100644
--- a/src/utility/generate_shape.py
+++ b/src/utility/generate_shape.py
@@ -23,12 +23,12 @@ if __name__ == "__main__":
         os.makedirs(os.getcwd() + "/" + output)
     
     # Global bounding box
-    bbox_xmax = 5.0
-    bbox_ymax = 4.0
+    bbox_xmax = 3.0
+    bbox_ymax = 3.0
     
     # Minimum feature sizes
-    feature_xmin = 2.0
-    feature_ymin = 0.5
+    feature_xmin = 1.0
+    feature_ymin = 1.0
     shape_parameters = sd.get_random_shape_description(shape, 
                                                        [bbox_xmax, bbox_ymax],
                                                        [feature_xmin, feature_ymin])
diff --git a/src/utility/test789/test789.blend b/src/utility/test789/test789.blend
index f8d0c45..7df6d4e 100644
Binary files a/src/utility/test789/test789.blend and b/src/utility/test789/test789.blend differ
diff --git a/src/utility/test789/test789.blend1 b/src/utility/test789/test789.blend1
index 976c997..6f33a89 100644
Binary files a/src/utility/test789/test789.blend1 and b/src/utility/test789/test789.blend1 differ
diff --git a/src/utility/test789/test789.json b/src/utility/test789/test789.json
index 7ccf48f..721d409 100644
--- a/src/utility/test789/test789.json
+++ b/src/utility/test789/test789.json
@@ -1 +1 @@
-{"division_param1": 1.0, "division_param2": 1.0, "stem_length": 0.5, "fixture_length": 0.3, "style": "billard", "radius": 3.687568125159161, "output": "test789", "shape": "mesh", "division_pattern": "circle", "fixture_radius": 0.3, "height": 3.6552215108138246}
\ No newline at end of file
+{"shape": "cone", "fixture_length": 0.3, "stem_length": 0.5, "style": "billard", "radius": 1.298856337538413, "division_pattern": "logistic", "division_param1": 1.0, "division_param2": 1.0, "output": "test789", "height": 2.2653976569924654, "fixture_radius": 0.3}
\ No newline at end of file
diff --git a/src/utility/test789/test789.png b/src/utility/test789/test789.png
index 33c7156..675c9bd 100644
Binary files a/src/utility/test789/test789.png and b/src/utility/test789/test789.png differ