This mount works for the Dell WD22 or any similar sized docks (I think most are the same, now). I wanted to make it the most simple and smallest filament consumption option.
The depth is undersized by 0.5mm to compress the rubber on the bottom of the dock as a mechanism to prevent it from moving around. This also means you don't have to print something that captures the ends and uses much more filament.
Print with 4 perimeters. Place it on the dock wherever you would like and affix using #8 flat head screws (#6 could work, too). Don't crank it down; just enough to make the dock secure.
The author marked this model as their own original creation.