From the original author:

I used a carbon fiber enhanced nylon filament for maximum durability.
But PLA or PETG should also work fine.

I placed the Clip sideways and added support for the hook and a 2mm raft (but this is optional)

Print Settings

Printer brand:

Prusa

Printer:

I3 MK3S

Rafts:

Doesn't Matter

Supports:

Yes

Resolution:

0.2

Infill:

30%

Filament brand:

Fiberthree F3 PA-CF Pro

Filament color:

black

Filament material:

Nylon + Carbon Fiber

Notes:

I used a carbon fiber enhanced nylon filament for maximum durability.
But PLA or PETG should also work fine.

I placed the Clip sideways and added support for the hook and a 2mm raft (but this is optional). With 3 perimeters it is strong enough to hold a big bag.