This video is a
demonstration of
the Large and
Small Iris cards
made by
http://cardnetics.
com they are
functional iris
mechanisms similar
to those see
(more)
This video is a demonstration of the Large and Small Iris cards made by http://cardnetics.com they are functional iris mechanisms similar to those seen in photography apertures and sci-fi shows built into a card.
The Small Iris is the size of a business card 2" x 3.5" and the Large Iris is the size of a typical greeting card 5" x 7"