Introduction: Iris Business Card

This is an iris mechanism built into a business card sized card.

The design files can be downloaded here: http://www.thingiverse.com/thing:8787
Another version with 4 leafs: http://www.thingiverse.com/thing:8944 

The paper needs to be fairly thick because it needs some stiffness to operate. I use a 14 point (0.014") paper

It can be cut by hand, but it would of course be much easier on a laser or paper cutting machine.