Though I am pretty sure I embedded the model with the submission, I got no idea why it has gone.
Here is the link to my model and the update date could show I did not submit after due.
https://3dwarehouse.sketchup.com/model.html?id=u28d17dbd-26c5-4895-a8ec-3c48755b9ffe
https://3dwarehouse.sketchup.com/model.html?id=u3f3afed4-fd87-4e8d-b953-ea1e8ff70fb4
And Also I embed it again.
So sorry for the mess Jacky.
