My (non-folder) husband spotted this one on the wonderful XKCD webcomic website.
http://www.xkcd.com/1430/ It's not origami, but I can't resist adding the link to our family's all-time favorite XKCD: http://xkcd.com/386/ Karen 10/8/2014 Karen Reeds [email protected] Co-ringleader, Princeton Public Library Origami Group. Affiliate of Origami USA, http://origamiusa.org/ We usually meet 2nd Wednesday of the month, 6:30-8pm, 3rd floor. [TONIGHT OCT 8, 2014!] Free! We provide paper! All welcome! (Kids under 8, please bring a grown-up.) Princeton Public Library info: 609.924.9529 http://princetonlibrary.org/
