Using an old tablet for Home Assistant dashboard is handy but you need a wall mount which I couldn't find online.
This is is a Wall mount for a Samsung Tab 4 tablet that mounts on a wall UK type electrical box.
The back base is split in two parts that fit on a Prusa bed. You also need to print two pieces of the cover. The base is secured with two screws on an existing electrical wall box (uk type).
There is also provision to extend the power button and a charging opening.
I used a flat micro usb connector like this : https://www.aliexpress.com/item/1005001493194182.html
Printed in white PLA
The author marked this model as their own original creation.