This requires an special USB-C Connector:
https://www.amazon.de/-/en/AITRIP-Pigtail-Installed-Repaired-Devices/dp/B0CPXSVDP2/ref=pb_allspark_dp_sims_pao
It is press fitted into the lower part.
Also 6 M3 heatset inserts and M3x8 screws are required
The author marked this model as their own original creation.