File:4d.png


 * Source: https://commons.wikimedia.org/wiki/File:Hypercube.svg
 * License: GFDL 1.2+ or CC BY-SA 3.0
 * Author: https://commons.wikimedia.org/wiki/User:Vlad2i and https://commons.wikimedia.org/wiki/User:Goffrie
 * Date: 4 June 2005 and 14 June 2006