Update app.py

app.py

@@ -255,10 +255,7 @@ def generate_results_and_mesh(image, session_id=None):
     status4, track_img, _ = step4_track(session_id)
     # Locate mesh (.ply)
     mesh_dir     = os.path.join(os.environ["PIXEL3DMM_TRACKING_OUTPUT"], session_id, "mesh")
-    mesh_file_abs = first_file_from_dir(mesh_dir, "ply")
-    mesh_file      = os.path.relpath(mesh_file_abs, os.getcwd())
-
-    print(f"[DEBUG] returning mesh_file = {mesh_file}")
+    mesh_file = first_file_from_dir(mesh_dir, "glb")
 
     final_status = "\n".join([status1, status2, status3, status4])
     return final_status, crop_img, normals_img, uv_img, track_img, mesh_file
@@ -323,7 +320,8 @@ with gr.Blocks(css=css) as demo:
                                 uv_img = gr.Image(label="UV Map", height=256)
                                 track_img = gr.Image(label="Tracking", height=256)
                     with gr.Tab("3D Model"):
-                        mesh_file = gr.Model3D(label="3D Model Preview")
+                        with gr.Column():
+                            mesh_file = gr.Model3D(label="3D Model Preview", height=512)
         
                 examples = gr.Examples(
                     examples=[