Here is the progress.

Trailer floor is 5x8.






Here you might be able to see the floor will be about 10 inches wider than the trailer floor. This gives more room for a queen size matress. Also raising the floor above the fenders allowed for under floor storage. There will be LED lights in the under floor storage.



Here is video 1.
https://youtu.be/2WP-nA5XnS0




Here is video 2.
https://youtu.be/BK9fohwgU3g