I was going to post the same thing. Luban knows the nozzle is 0.4mm, and won’t attempt to print any line that is narrower than that. Cura has a similar limitation.
Comparing the two images, it seems all of the thicker lines are being printed.
Using your STL, if I scale it up by 180% (and move it around to fit on the plate), more of the lines will print. So I’m pretty sure it’s a line width issue. Make your narrowest line at least 0.4mm wide. If that’s not possible, you can get smaller nozzles, but that’s a more advanced topic.
