April 2001
(National Institute for Discovery Science, Las Vegas, Nevada)
Source: Internet Archive, San Francisco, California.
http://web.archive.org/web/20061210225836/http://nidsci.org/pdf/triangularcraft.pdf
(u2.lege.net image)
http://web.archive.org/web/20061210225836/http://nidsci.org/pdf/triangularcraft.pdf