diff --git a/main.py b/main.py
index 06cfb343..da84d87c 100644
--- a/main.py
+++ b/main.py
@@ -87,8 +87,8 @@
         opt.dir_text = True
         opt.negative_dir_text = True
 
-        opt.lambda_entropy = 1e-4 # necessary to keep non-empty
-        opt.lambda_opacity = 3e-3 # no occupancy grid, so use a stronger opacity loss.
+        # opt.lambda_entropy = 1e-4 # necessary to keep non-empty
+        # opt.lambda_opacity = 3e-3 # no occupancy grid, so use a stronger opacity loss.
 
     if opt.backbone == 'vanilla':
         from nerf.network import NeRFNetwork
diff --git a/nerf/gui.py b/nerf/gui.py
index 335697d7..e3bad65d 100644
--- a/nerf/gui.py
+++ b/nerf/gui.py
@@ -251,7 +251,7 @@ def callback_save(sender, app_data):
                         dpg.add_text("Marching Cubes: ")
 
                         def callback_mesh(sender, app_data):
-                            self.trainer.save_mesh(resolution=256, threshold=10)
+                            self.trainer.save_mesh(resolution=256)
                             dpg.set_value("_log_mesh", "saved " + f'{self.trainer.name}_{self.trainer.epoch}.ply')
                             self.trainer.epoch += 1 # use epoch to indicate different calls.