Table 3: A set of equations described the relationship between PO : BT ratio and porosity.

LibraryEquation
( : PO : BT ratio, : porosity)
Correlation
(r)

Hexahedron 0.999
Truncated octahedron 0.999
Truncated hexahedron 0.997
Cuboctahedron 0.999
Rhombicuboctahedron 0.999
Rhombitruncated cuboctahedron 0.999