Board Thread:General Discussion/@comment-25548156-20130814194325/@comment-25094659-20150112011706

RockSunner wrote: There are hundreds of discrepancies in detail in Gravity Falls animation. Some of them are clues, and most are mistakes. There's really no way to tell if the glasses were intended to look the same or not. I would call them close enough. I agree with both.

I want to believe that Stanley is the author, and since the author can't be on the wheel twice, that the difference between glasses signifies the Carpet Diem glasses not being Stanley's. However, the both have little golden decorations in the same place, hinting towards an accident rather than a clue.