This design is specifically designed for the Universal Audio Volt 1 interface and can be installed in various board configurations.

Multi-board card platform:

https://www.multiboard.io/

With the help of the grid layout of multiple boards, you can slide various connectors into the design shown here:

https://www.multiboard.io/parts-library/multipoint/multipoints

I have used four multi-point connectors here, but you can flexibly increase or decrease the number of connectors in any combination according to your actual needs.