Remix with more thickness on the wings to avoid non printable (because too fin) areas.
I believe 0-55 and 55-90 are broken because of a missing enclosure on the top part, but most slicers can easily auto-repair that.
Alduin07_0_55mm_thick.stl | 4.6MB | |
Alduin07_55_90mm_thick.stl | 5.2MB | |
Alduin07_90mm_max_thick.stl | 11.6MB |