This screwable Adapter/Connector (5 cm) connects two junctionboxes (Bruno Germany). It is designed only for my boxes. In the case you need more then 4 inputs connect two boxes and you solf the problem.
This 8 by 8 bfy 5 cm junction boxes from “Bruno Germany” (for antenna and speaker cables) features two, three or four inputs and can be securely attached to a surface using up to four screws.
You can print the part with PLA or PETG. You need some support material (picture). The models were created using Fusion 360.
If you print and use this model, please observe the relevant regulations in you country. Illustrative model (not for power cables). Use at your own risk.
The author marked this model as their own original creation.