Based on my own needs, I've selectedMolly the Chaos WranglerI modified the F3D file to make it perfectly fit my old Redmi Note 9, and added additional cable routing grooves to better meet my usage needs.
CooperationStandBy Mode Pro appThe user experience of this device is almost identical to the "standby mode" of the iPhone.
When charging, I chose aData cableUse it with another USB-C to USB-A data cable.
Due to the fact that the cable fits very tightly into the device interface, the PLA-material cable will slightly bend and deform on the side.
If you also want to conduct secondary development on my design, I have already shared the F3D files with you.

*The box at the top is not included