Clear color background

app.py

@@ -18,6 +18,9 @@ with gr.Blocks() as demo:
         # 3D viewer on the right
         with gr.Column(scale=2):
             gr.Markdown("### 3D Point Cloud Viewer")
-            model3d = gr.Model3D(value="scene0435_00_vh_clean_2.ply")
+            model3d = gr.Model3D(
+                value="scene0435_00_vh_clean_2.ply",
+                clear_color=[1, 1, 1, 1]
+            )
 
 demo.launch()