diff --git a/marble-sculp/scene.py b/marble-sculp/scene.py
index 8faa18a..cac5ca9 100644
--- a/marble-sculp/scene.py
+++ b/marble-sculp/scene.py
@@ -28,7 +28,7 @@ def convert_obj(self, filename: str) -> str:
 
         material = ""
         for ind in range(len(self.objects)):
-            material += f"newmtl Material.{ind}\nNs 360.000000\nKa 1.000000 1.000000 1.000000\nKd {random.randint(0, 1000000)/1000000} {random.randint(0, 1000000)/1000000} {random.randint(0, 1000000)/1000000}\nKs 0.500000 0.500000 0.500000\nKe 0.000000 0.000000 0.000000\nNs 0.000000\nd 0.400000\nillum 9\n\n"
+            material += f"newmtl Material.{ind}\nNs 360.000000\nKa 1.000000 1.000000 1.000000\nKd {random.randint(0, 1000000)/1000000} {random.randint(0, 1000000)/1000000} {random.randint(0, 1000000)/1000000}\nKs 0.500000 0.500000 0.500000\nKe 0.000000 0.000000 0.000000\nNs 0.000000\nd 1.000000\nillum 9\n\n"
 
         with open(f"./static/{filename}.mtl", "w") as fp:
             fp.write(material)