Acronym	octet
Name	alternated cubic honeycomb, tetrahedral-octahedral honeycomb, Delone complex of face-centered cubic (fcc) lattice
	©
Vertex figure	©
Confer	related tesselations: Delone complex of primitive cubic lattice   Voronoi complex of primitive cubic lattice   Voronoi complex of bcc lattice
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Incidence matrix according to Dynkin symbol

x3o3o *b4o    (N→∞)

. . .    . | N ♦ 12 | 24 |  8 6
-----------+---+----+----+-----
x . .    . | 2 | 6N |  4 |  2 2
-----------+---+----+----+-----
x3o .    . | 3 |  3 | 8N |  1 1
-----------+---+----+----+-----
x3o3o    . ♦ 4 |  6 |  4 | 2N *
x3o . *b4o ♦ 6 | 12 |  8 |  * N

x3o3o3o3*a    (N→∞)

. . . .    | N ♦ 12 | 12 12 | 4 6 4
-----------+---+----+-------+------
x . . .    | 2 | 6N |  2  2 | 1 2 1
-----------+---+----+-------+------
x3o . .    | 3 |  3 | 4N  * | 1 1 0
x . . o3*a | 3 |  3 |  * 4N | 0 1 1
-----------+---+----+-------+------
x3o3o .    ♦ 4 |  6 |  4  0 | N * *
x3o . o3*a ♦ 6 | 12 |  4  4 | * N *
x . o3o3*a ♦ 4 |  6 |  0  4 | * * N