
And this also happens with a different, wood texture I'm using:

See, square is distorted, but the round one isn't.
I've tried opening both models in Misfit Model 3D, but being completely unfamiliar with 3D modeling I can't for the life of me figure out what's wrong. The best I can assume is that there's some kind of error with how the texture is applied to the model, but with no functional knowledge of it, I don't know where to begin to fix it. Can anyone please give me any advice or assistance? Assuming my diagnosis of the issue isn't wrong?
Edit: And before I forget, I linked the model file itself for anyone who wants to try to look at it themselves.
https://www.mediafire.com/file/od7hb2ku ... e.md3/file