Whoa, who would have thought that mutating hexagons could be so beautiful. It's like watching a sheet of sentient paper origami itself into form.

As Raven Kwok, the programmer behind this haunting animation—which was generated in real time in Processing—describes,

18F44 is a further study based on EDF0, the recursive structure was first extended to 3d protrusion based on a regular hexagon...In this version, the base regular hexagon is replaced by a group of six intersecting planes to provide more complexity. In addition, I create a more flexible controlling mechanism which allows me to separately play with each child on each level of the structure. You can see processes of "growth", "mutation","protrusion" and "deconstruction" in this movie clip demonstration.

However he does it, the results are amazing.