Acronym | tetacoaoct |
Name | octahedron atop (pseudo) cuboctahedron atop tetrahedron |
Circumradius | 1 |
Lace city in approx. ASCII-art |
o3x x3o -- o3x3o (oct) x3o x3x o3x -- x3o3x (co) x3o o3o -- x3o3o (tet) |
General of army | (is itself convex) |
Colonel of regiment | (is itself locally convex) |
Dihedral angles |
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Face vector | 22, 78, 86, 30 |
Confer |
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This polychoron is quite simply obtained as an external blend of the rotundae of ico and spid respectively, thereby blending out the joined co bases each. Even though, this mere stack of segmentochora happens to be both convex and circumscribable.
Incidence matrix according to Dynkin symbol
oxx3xoo3oxo&#x → height(1,2) = 1/sqrt(2) = 0.707107 height(2,3) = sqrt(5/8) = 0.790569 (oct || pseudo co || tet) o..3o..3o.. | 6 * * ♦ 4 4 0 0 0 0 | 2 2 2 4 2 0 0 0 0 0 0 | 1 2 1 2 0 0 0 0 .o.3.o.3.o. | * 12 * | 0 2 2 2 1 0 | 0 0 2 1 2 1 2 1 2 2 0 | 0 1 2 1 1 2 1 0 ..o3..o3..o | * * 4 ♦ 0 0 0 0 3 3 | 0 0 0 0 0 0 0 0 6 3 3 | 0 0 0 0 3 3 1 1 ---------------+--------+------------------+----------------------------+---------------- ... x.. ... | 2 0 0 | 12 * * * * * | 1 1 0 1 0 0 0 0 0 0 0 | 1 1 0 1 0 0 0 0 oo.3oo.3oo.&#x | 1 1 0 | * 24 * * * * | 0 0 1 1 1 0 0 0 0 0 0 | 0 1 1 1 0 0 0 0 .x. ... ... | 0 2 0 | * * 12 * * * | 0 0 1 0 0 1 1 0 1 0 0 | 0 1 1 0 1 1 0 0 ... ... .x. | 0 2 0 | * * * 12 * * | 0 0 0 0 1 0 1 1 0 1 0 | 0 0 1 1 0 1 1 0 .oo3.oo3.oo&#x | 0 1 1 | * * * * 12 * | 0 0 0 0 0 0 0 0 2 2 0 | 0 0 0 0 1 2 1 0 ..x ... ... | 0 0 2 | * * * * * 6 | 0 0 0 0 0 0 0 0 2 0 2 | 0 0 0 0 2 1 0 1 ---------------+--------+------------------+----------------------------+---------------- o..3x.. ... | 3 0 0 | 3 0 0 0 0 0 | 4 * * * * * * * * * * | 1 1 0 0 0 0 0 0 ... x..3o.. | 3 0 0 | 3 0 0 0 0 0 | * 4 * * * * * * * * * | 1 0 0 1 0 0 0 0 ox. ... ...&#x | 1 2 0 | 0 2 1 0 0 0 | * * 12 * * * * * * * * | 0 1 1 0 0 0 0 0 ... xo. ...&#x | 2 1 0 | 1 2 0 0 0 0 | * * * 12 * * * * * * * | 0 1 0 1 0 0 0 0 ... ... ox.&#x | 1 2 0 | 0 2 0 1 0 0 | * * * * 12 * * * * * * | 0 0 1 1 0 0 0 0 .x.3.o. ... | 0 3 0 | 0 0 3 0 0 0 | * * * * * 4 * * * * * | 0 1 0 0 1 0 0 0 .x. ... .x. | 0 4 0 | 0 0 2 2 0 0 | * * * * * * 6 * * * * | 0 0 1 0 0 1 0 0 ... .o.3.x. | 0 3 0 | 0 0 0 3 0 0 | * * * * * * * 4 * * * | 0 0 0 1 0 0 1 0 .xx ... ...&#x | 0 2 2 | 0 0 1 0 2 1 | * * * * * * * * 12 * * | 0 0 0 0 1 1 0 0 ... ... .xo&#x | 0 2 1 | 0 0 0 1 2 0 | * * * * * * * * * 12 * | 0 0 0 0 0 1 1 0 ..x3..o ... | 0 0 3 | 0 0 0 0 0 3 | * * * * * * * * * * 4 | 0 0 0 0 1 0 0 1 ---------------+--------+------------------+----------------------------+---------------- o..3x..3o.. ♦ 6 0 0 | 12 0 0 0 0 0 | 4 4 0 0 0 0 0 0 0 0 0 | 1 * * * * * * * ox.3xo. ...&#x ♦ 3 3 0 | 3 6 3 0 0 0 | 1 0 3 3 0 1 0 0 0 0 0 | * 4 * * * * * * ox. ... ox.&#x ♦ 1 4 0 | 0 4 2 2 0 0 | 0 0 2 0 2 0 1 0 0 0 0 | * * 6 * * * * * ... xo.3ox.&#x ♦ 3 3 0 | 3 6 0 3 0 0 | 0 1 0 3 3 0 0 1 0 0 0 | * * * 4 * * * * .xx3.oo ...&#x ♦ 0 3 3 | 0 0 3 0 3 3 | 0 0 0 0 0 1 0 0 3 0 1 | * * * * 4 * * * .xx ... .xo&#x ♦ 0 4 2 | 0 0 2 2 4 1 | 0 0 0 0 0 0 1 0 2 2 0 | * * * * * 6 * * ... .oo3.xo&#x ♦ 0 3 1 | 0 0 0 3 3 0 | 0 0 0 0 0 0 0 1 0 3 0 | * * * * * * 4 * ..x3..o3..o ♦ 0 0 4 | 0 0 0 0 0 6 | 0 0 0 0 0 0 0 0 0 0 4 | * * * * * * * 1
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