Ffellonic Levels
This 12-level model of relational self-assembly developed in the Ffellonics framework. Created when identical spheres attach according to a local rule that maximises symmetric nearest-neighbour contacts while minimising free energy (Gibbs free energy increments). The resulting graph of sphere centres produces the listed geometric forms. Coordination number (CN) rises stepwise from 1 to the maximum possible for equal spheres in 3D Euclidean space (the kissing number of 12). The sequence moves from finite clusters through planar and space-frame structures to dense, space-filling lattices.
LEVEL ONE
The Linear Dyad
The hierarchy begins with relation, not before it. The first ontological event is the symmetric contact between two relational units. This is the starting point of all ordered structure. Coordination Number 1.
LEVEL TWO
The Triangle
Three units in mutual symmetric contact form the first closed planar structure. Coordination Number 2.
LEVEL THREE
The Tetrahedron
Four units, each connected symmetrically to three others, form the first three-dimensional Platonic solid — a highly stable, low-entropy configuration. Coordination number: 3.
LEVEL FOUR
The Octahedron
The Octahedron. Six units form the second three-dimensional Platonic Solid milestone. Coordination number: 4
LEVEL FIVE
The Icosahedron
Twelve units form the third Platonic solid milestone. Icosahedral symmetry is one of the most efficient surface-to-volume configurations in nature, appearing prominently in viral capsid structure (Caspar and Klug, 1962) and protein cage assemblies. Coordination number: 5.
LEVEL SIX
Planar Triangular Tessellation
Each relational unit connects to six others in an infinite tessellation of equilateral triangles. This marks the first qualitative transition in the hierarchy — from finite Platonic solid structures to the first infinitely extensible planar structure. Coordination number: 6
LEVEL SEVEN
The Octet Truss
One-Directional Infinite Extension. Level 7 marks the beginning of the second half of the Ffellonic hierarchy and introduces a further qualitative shift. The system moves beyond uniform Platonic symmetry and begins integrating heterogeneous coordination environments — combining tetrahedral and octahedral geometries within a single coherent structure. One continuous line of primary spheres extends infinitely in a single direction. Each primary sphere is supported by five supporting spheres arranged symmetrically — one beneath and two on either side. Each primary sphere contacts seven others in total. When the centres of all spheres are connected geometrically, the resulting structure is the octet truss — an alternating framework of tetrahedra and octahedra that Buckminster Fuller independently identified as one of the most efficient load-distributing structures in three-dimensional space (Fuller, 1975; Guo et al., 2024). Coordination number: 7.
LEVEL EIGHT
Quadrangular Pyramid Space Frame
Two-Directional Infinite Extension. Two continuous lines of primary spheres extend simultaneously in two directions. Each primary sphere is supported by four supporting spheres. The defining form is the quadrangular pyramid space frame — a rigid, lightweight structure with upper and lower chords of square grids staggered by half a module. Coordination number: 8.
LEVEL NINE
Triangular Pyramid Space Frame
Three-Directional Infinite Extension. Three continuous lines of primary spheres extend simultaneously in three directions. Each primary sphere is supported by three supporting spheres. Upper and lower chords of triangular grids staggered by half a module produce greater three-dimensional depth and rigidity than Level 8. Coordination number: 9.
LEVEL TEN
Space-Filling Honeycomb
Four-Directional Infinite Extension. Four continuous lines of primary spheres extend in four directions. Each primary sphere is supported by only two supporting spheres. As the four primary lines develop, an intermediate structure forms: twelve primary spheres come together to produce a hollow cuboctahedral shell. This hollow cuboctahedron — distinct from the Vector Equilibrium of Level 12, in which the centre is occupied — acts as a composite relational unit in its own right, attaching to other such structures in the same way that individual spheres attach at lower levels, exhibiting recursive self-similarity across scales. Coordination number: 10.
LEVEL ELEVEN
Space-Filling Honeycomb
Five-Directional Infinite Extension. Five continuous lines of primary spheres extend in five directions. Each primary sphere is supported by only one supporting sphere. As at Level 10, an intermediate hollow cuboctahedral structure forms when twelve primary spheres come together, acting as a composite relational unit as further spheres attach. Coordination number: 11.
LEVEL TWELVE
The Vector Equilibrium
Perfect Symmetry, Zero Constraint. Six continuous lines of primary spheres extend in six directions. No supporting spheres are required. The geometric form is the cuboctahedron with a central sphere — what Buckminster Fuller named the Vector Equilibrium (Fuller, 1975): the only geometric configuration in which all radial vectors from centre to vertex and all peripheral edge lengths are identical. Fuller identified this as the zero-phase of energy — the state of absolute equilibrium from which all structural transformations emerge and to which they return. Free energy is globally minimised, coordination number is at its maximum, internal tension is zero, and the structure maintains and extends itself indefinitely. Coordination number: 12.