On Jul 16, 2013, at 12:04 PM, Joe Niederberger <email@example.com> wrote:
> Or is there a nice one for the tetrahedrons that I'm just not seeing?
The problem I see there is that the big tetrahedron is not solid. It has voids, unless I am mistaken. Thus, it isn't a mapping of volume like the cube. It is the count of its pieces that follow the cubes of 1, 2, 3, .... While there is of course a mathematical reason for this, it isn't intuitive.