Paper used in this video:
5 or 6 rectangles cut from a sheet of printer paper (A4 or US letter)
alternatively: banknotes in your currency, e.g. U.S. dollars, British pounds, Canadian dollars, Euros
This video describes how to fold a modular origami star from five or six rectangles with an aspect ratio of approximately 2 by 1. It is a traditional design and is a great way to personalize money gifts especially for Christmas.