The Modular Controller Tower where you can add how many levels you want and have as few/many controllers as you desire. It has been tested on several controllers (PS5, PS4, PS3, 8bitdo ultimate 2c). The tower supports cable pass-trough for charging the controllers and increased stability.
The base for the tower.
Attaches to other pipes and has 4 holes for charging cables to pass trough. Can fit up to 3 holders with controllers.
Same as pipe except no holes for charging cables. Attaches to the plate of the tower.
Holds one controller.
Act as the top of the tower. Has holes for charging cables.
Placed between two pipes and holders to line up the charging holes aesthetically. It might not be needed depending on how the threads and the fit of the printed parts.
Used to cover the unused holes for charging cables in the pipes.
This will list the parts used for storing a total of 4 controllers on two levels. You can add/remove parts depending on how many controllers you want to support.
Cap:

Holder:

Pipe:

Plug:

Plate:

The author marked this model as their own original creation.