http://www.kurzweilai.net/pop-up-fabrication-technique-trumps-3d-printing Regards, Dan See my Kindle books at: http://www.amazon.com/Dan-Ust/e/B00J6HPX8M/ -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.extropy.org/pipermail/extropy-chat/attachments/20150109/c3032e9c/attachment.html>