Update app.py

Fixed high quality mesh extraction to use only supported parameters
Added proper button state handling for both full and reduced quality downloads
Fixed the event handlers to correctly handle all UI states
Added descriptive "Download Options" header above buttons

app.py

@@ -157,7 +157,7 @@ def image_to_3d(
     del video
     torch.cuda.empty_cache()
     
-    # Pack state including the original high-res mesh data
+    # Pack state
     state = pack_state(outputs['gaussian'][0], outputs['mesh'][0], trial_id)
     return state, video_path
 
@@ -260,6 +260,7 @@ with gr.Blocks(delete_cache=(600, 600)) as demo:
         with gr.Column():
             video_output = gr.Video(label="Generated 3D Asset", autoplay=True, loop=True, height=300)
             model_output = LitModel3D(label="3D Model Preview", exposure=20.0, height=300)
+            gr.Markdown("### Download Options")
             with gr.Row():
                 download_full = gr.DownloadButton(label="Download Full-Quality GLB", interactive=False)
                 download_reduced = gr.DownloadButton(label="Download Reduced GLB", interactive=False)
@@ -299,8 +300,8 @@ with gr.Blocks(delete_cache=(600, 600)) as demo:
         inputs=[image_prompt, seed, ss_guidance_strength, ss_sampling_steps, slat_guidance_strength, slat_sampling_steps],
         outputs=[output_buf, video_output],
     ).then(
-        lambda: [gr.Button(interactive=True), gr.Button(interactive=True)],
-        outputs=[extract_full_btn, extract_reduced_btn],
+        lambda: [gr.Button(interactive=True), gr.Button(interactive=True), gr.Button(interactive=False), gr.Button(interactive=False)],
+        outputs=[extract_full_btn, extract_reduced_btn, download_full, download_reduced],
     )
 
     extract_full_btn.click(