Its original surface of 1 cm2 becomes 1 Km2 in 16.61 seconds. Notice below the hexagonal form of the SexeHexeS . They seem to the PolyHes of Andrew Clarke , but they are an other thing. They have a 'baricenter' on a triangular grid, as the 3 colors painting proves. The ideas also reproduce.
Nothing is so concrete as the thought.
I think there are 3 SexeHexeS and 2 Sexominoes that could germinate. Below there is an octacube that you could see as sexcube 2x2x2. Normally it could fill the space. To insert A in B, you need the 3.rd dimension . It's the same thing for the FractalSexCube.