All shapes in origami. Origami holds the whole of topology contained within it.

The theorem is that every pattern (plane graph) can be made by folding and one complete straight cut. This includes single (possibly nonconvex) polygons, multiple disjoint polygons, nested polygons, adjoining polygons, and even floating line segments and points.

[Boing Boing Blog]
8:43:26 AM  #  

Banking Overhaul and New Currency Planned for Iraq. The actions were designed to eliminate an unsteady currency and remove the central bank from its longstanding subservience to political leaders. By Richard A. Oppel Jr.. [New York Times: Business]
8:41:37 AM  #