Woodnet Forums

Can anyone point me to plans and parts for a floating shelf with a drop down hidden storage? Like the ones they use for rifle storage.
So far I'm coming up empty on my searches.

google brought up quite a few, here are a couple links for YT videos.
https://www.youtube.com/watch?v=AIT7tOZ6awk
https://www.youtube.com/watch?v=hw82W6XIygo
https://www.youtube.com/watch?v=A6rIQfb-BoA