Acronym	tetatut, K-4.56
Name	tetrahedron atop truncated tetrahedron, tetrahedral cap of rectified tesseract
Segmentochoron display
Circumradius	sqrt(3/2) = 1.224745
Lace city in approx. ASCII-art	x3o x3x o3o u3o x3o
General of army	(is itself convex)
Colonel of regiment	(is itself locally convex)
Dihedral angles	at {3} between tet and tricu:   120° at {4} between tricu and tricu:   90° at {3} between tet and tut:   60° at {6} between tricu and tut:   60°
Face vector	16, 36, 30, 10
Confer	uniform relative: rit   related segmentochora: tut || inv tut   related CRFs: mibdirit   general polytopal classes: segmentochora   lace simplices
External links

Incidence matrix according to Dynkin symbol

xx3ox3oo&#x   → height = 1/sqrt(2) = 0.707107
(tet || tut)

o.3o.3o.    | 4  * ♦ 3  3 0  0 | 3 3  3 0 0 | 1 3 1 0
.o3.o3.o    | * 12 | 0  1 1  2 | 0 1  2 2 1 | 0 2 1 1
------------+------+-----------+------------+--------
x. .. ..    | 2  0 | 6  * *  * | 2 1  0 0 0 | 1 2 0 0
oo3oo3oo&#x | 1  1 | * 12 *  * | 0 1  2 0 0 | 0 2 1 0
.x .. ..    | 0  2 | *  * 6  * | 0 1  0 2 0 | 0 2 0 1
.. .x ..    | 0  2 | *  * * 12 | 0 0  1 1 1 | 0 1 1 1
------------+------+-----------+------------+--------
x.3o. ..    | 3  0 | 3  0 0  0 | 4 *  * * * | 1 1 0 0
xx .. ..&#x | 2  2 | 1  2 1  0 | * 6  * * * | 0 2 0 0
.. ox ..&#x | 1  2 | 0  2 0  1 | * * 12 * * | 0 1 1 0
.x3.x ..    | 0  6 | 0  0 3  3 | * *  * 4 * | 0 1 0 1
.. .x3.o    | 0  3 | 0  0 0  3 | * *  * * 4 | 0 0 1 1
------------+------+-----------+------------+--------
x.3o.3o.    ♦ 4  0 | 6  0 0  0 | 4 0  0 0 0 | 1 * * *
xx3ox ..&#x ♦ 3  6 | 3  6 3  3 | 1 3  3 1 0 | * 4 * *
.. ox3oo&#x ♦ 1  3 | 0  3 0  3 | 0 0  3 0 1 | * * 4 *
.x3.x3.o    ♦ 0 12 | 0  0 6 12 | 0 0  0 4 4 | * * * 1