This is an educational project, where I explain in detail how to twist a square (not necessarily origami square). The goal is to for students to make connections among multiple ideas related to language (informal or formal), geometry, and algebra while having fun in making or struggling with a simple origami model. There are numerous other projects that are equally interesting! Here is a 3D printable model: https://www.thingiverse.com/thing:4732243 .
