# flexatube

> English word · Noun

## Definitions
1. A folded paper puzzle created by connecting the ends of a strip of four squares, each folded along 45-degree diagonals. The solver is challenged to turn the structure inside out using only foldings.

## Etymology
From flexible tube.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/flexatube