diff --git a/Assets/pt_material.json b/Assets/pt_material.json
new file mode 100644
index 00000000..171ccee4
--- /dev/null
+++ b/Assets/pt_material.json
@@ -0,0 +1,26 @@
+{
+    "material_resources": [
+        {
+            "contexts": [
+                {
+                    "bind_constants": [],
+                    "bind_textures": [],
+                    "id": "pt_trace_pass"
+                }
+            ],
+            "id": "pt_trace_material",
+            "shader": "pt_trace_pass/pt_trace_pass"
+        },
+        {
+            "contexts": [
+                {
+                    "bind_constants": [],
+                    "bind_textures": [],
+                    "id": "pt_final_pass"
+                }
+            ],
+            "id": "pt_final_material",
+            "shader": "pt_final_pass/pt_final_pass"
+        }
+    ]
+}
diff --git a/blender/data/data.blend b/blender/data/data.blend
index 5318423c..9cdda040 100644
Binary files a/blender/data/data.blend and b/blender/data/data.blend differ
diff --git a/blender/nodes_pipeline.py b/blender/nodes_pipeline.py
index 7f8eb9a5..79f4f9ef 100755
--- a/blender/nodes_pipeline.py
+++ b/blender/nodes_pipeline.py
@@ -205,13 +205,14 @@ def load_library():
 	data_path = output[:-8] + "blender/data/data.blend" # Remove 'Sources/' from haxelib path
 
 	with bpy.data.libraries.load(data_path, link=False) as (data_from, data_to):
-		data_to.node_groups = ['forward_pipeline', 'forward_pipeline_noshadow', 'deferred_pipeline', 'PBR']
+		data_to.node_groups = ['forward_pipeline', 'forward_pipeline_noshadow', 'deferred_pipeline', 'pathtrace_pipeline', 'PBR']
 	
 	# TODO: cannot use for loop
 	# TODO: import pbr group separately, no need for fake user
 	bpy.data.node_groups['forward_pipeline'].use_fake_user = True
 	bpy.data.node_groups['forward_pipeline_noshadow'].use_fake_user = True
 	bpy.data.node_groups['deferred_pipeline'].use_fake_user = True
+	bpy.data.node_groups['pathtrace_pipeline'].use_fake_user = True
 	bpy.data.node_groups['PBR'].use_fake_user = True
 
 def register():
diff --git a/raw/pt_trace_pass/pt_trace_pass.frag.glsl b/raw/pt_trace_pass/pt_trace_pass.frag.glsl
index 0cc5ac51..0c23ad8c 100644
--- a/raw/pt_trace_pass/pt_trace_pass.frag.glsl
+++ b/raw/pt_trace_pass/pt_trace_pass.frag.glsl
@@ -383,7 +383,7 @@ vec3 calculateColor(float time, vec3 origin, vec3 ray, vec3 light) {
 
       // do light bounce
       colorMask *= surfaceColor;
-      accumulatedColor += colorMask * (0.8 * diffuse * shadowIntensity);
+      accumulatedColor += colorMask * (0.5 * diffuse * shadowIntensity);
       accumulatedColor += colorMask * specularHighlight * shadowIntensity;
 
       // calculate next origin