Here is another mount for the same vaccum, but i found it to be too space consuming and material intense. But in case you like a horizontal mount, here you are:
https://www.printables.com/de/model/511824-wall-mount-vacuum
My ring mount is minimal in material and space use. Its not keeping the vaccuum perfectly upright. One could thicken the ring to achieve that. But i wanted a quick to print solution. Its sturdy enough and holds the vaccum safely.
The author marked this model as their own original creation.