I printed this with a 0.4mm nozzle @0.2mm layer height. 2 walls and 10% infill. Worked out great. I used Atomic's Smoke Blue PETG-CF.
The author remixed this model.
I hauled the original STL into Fusion, blew it up 1200% to fill my build plate (Bambu A1, so 256^3 build volume), added some screw mounts, and re-exported. It's a bit delicate, but it came out nice!