See response from lightcarbon
"Thanks for your photos, I have sent to our after-sale department.
They said it is normal that the frame is not good-looking, because the interior is not post-processed after forming,
One side smaller and rough is normal, unlike the appearance can be painted.
The location of the arrow below is just a small raw edge, just pick it off, it will not have any effect."
Does "picking off" the flake sound like a good idea? Seems kind of sketchy.