Oral-B Wall Holder/Mount only one screws required, as you can see on the picture.
But I think you can put double-sided tape, I didn't try it.
Maybe you can use with braun toothbrush.
I would be happy if you look at other profiles:
Cults 3D : https://cults3d.com/en/users/Poly_Infinity/3d-models
Printables : https://www.printables.com/@ilterish_843470