A very interesting thing, thank you for exposing it. This lens cover seems like a cool thing to me and if it is printed on a 3D printer it will be a cool cover! I work as an <a href="https://engre.co/blogs/articles/what-is-an-aircraft-mechanic/">aircraft mechanic</a> and am also interested in 3D printing, I think that for many engineers your work is useful and brings joy!