Archaeologists were able to identify this bronze sword as being from the Middle Bronze Age by its octagonal handle, which is completely made of bronze.

Source: https://gazette.com/news/wex/archaeologists-discover-3-000-year-old-sword-it-almost-still-shines/article_4e7a84e6-56b5-551f-a93b-ba7b31b69a95.html

The grille has also been reshaped; it's now octagonal instead of hexagonal.

Source: https://www.greencarreports.com/news/1140697_2025-mini-cooper-countryman-evs-lead-brand-s-electric-remake

The object, which was not deemed a military threat, has been described by defense officials as an unmanned “octagonal structure” with strings attached to it.

Source: https://greekreporter.com/2023/02/13/us-shoots-down-fourth-ufo-over-north-america/