Update app.py

app.py

@@ -14,6 +14,9 @@ We **wrote a tutorial to help you generating assets and importing it in your Rob
 
 If you like the tool, please click on the like button ❤️.
 
+*Usage information*: For now, we defined a **free usage quota of 2 to 3 3D mesh generation/mesh optimization per hour** per user (it can vary based on the inference time).
+So if you’ve reached the limit, **you’ll need to wait 1 hour before being able to generate a new 3D Mesh**. If you're [PRO User](https://huggingface.co/pricing#pro) you can generate up to 7 meshes per hour.
+
 """
 
 with gr.Blocks() as demo: