BOM:
2 Printed parts
6 x Pan headed screw M2.5x10
6 x M2.5 Plastic Insert
Some compressive material such as silicone sheet or foam tape, to wrap the cable(s) from the GPIO side and get compressed at the notch when closing the case, to take tension from the GPIO side cable.
Modify the notch size to suit your own cable.
The author marked this model as their own original creation.