Flexagon

Rarity: Common

The most frequent rarity: most Wikipedia articles become Commons.

Rarity follows how well known the article is: its views on the French and English Wikipedia over a year, and the number of languages it exists in.

At a glance

Class

Notion

Domain

Science and technology

In collections

Nobody has pulled it yet.

What Wikipedia says

In geometry, flexagons are flat models, usually constructed by folding strips of paper, that can be flexed or folded in certain ways to reveal faces besides the two that were originally on the back and front.

Excerpt from the Wikipedia article “Flexagon”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Anna Frodesiak, CC0, via Wikimedia Commons.