This is a cable clip I designed in FreeCad. This is meant to be stuck to any surface using double-sided adhesive tape, so that you don't need to use any screws. You can open the FCstd file with FreeCad to adjust the parameters and create your own version of it :)
The names of the stl files refer to the parameters used to create the given model:
L: The length of the side that you stick to the table or other surface
H: The height available to the cables
W: The width of the wall
WT: The thickness of the wall
GF: The grip factor (0 ≤ GF ≤ 1): proportion of H that is used to grip/secure the cables
It is always kept up to date in my GitHub repository.
The author hasn't provided the model origin yet.