Acronym biscrahi Name bistratic icosidodecahedron-first cap of rectified hecatonicosachoron ` ©` Circumradius sqrt[(21+9 sqrt(5))/2] = 4.534568 Lace cityin approx. ASCII-art ``` x5x o5F o5f x5o o5V o5f o5F x5F x5x F5x F5o f5o V5o o5x (F=ff=2x+v, V=2f=2x+2v, X=Ff=3x+2v) f5o F5o x5x ``` ``` o3x x3f F3o f3f o3F f3x x3o o3o o3F F3f f3F F3o o3o o3x o3F x3V F3F X3x V3F F3V x3X F3F V3x F3o x3o ``` Dihedral angles at {3} between pero and tet:   arccos(-sqrt[7+3 sqrt(5)]/4) = 157.761244° at {3} between tet and id:   arccos(-sqrt[7+3 sqrt(5)]/4) = 157.761244° at {5} between id and pero:   144° at {5} between pero and pero:   144° at {3} between tet and tid:   arccos(sqrt(5/8)) = 37.761244° at {10} between pero and tid:   36° Confer uniform relative: rahi   related CRFs: oooxfxooo3xoxoxoxox5ofxfofxfo&#xt   general polytopal classes: bistratic lace towers

Incidence matrix according to Dynkin symbol

```ooo3xox5ofx&#xt   → height(1,2) = (sqrt(5)-1)/4 = 0.309017
height(2,3) = 1/2
(id || pseudo f-doe || tid)

o..3o..5o..     | 30  *  * ♦  4  2  0  0  0 |  2  2  4  1  0  0  0 | 1  2  2  0 0
.o.3.o.5.o.     |  * 20  * ♦  0  3  3  0  0 |  0  0  3  3  3  0  0 | 0  1  3  1 0
..o3..o5..o     |  *  * 60 |  0  0  1  2  1 |  0  0  0  1  2  1  2 | 0  0  2  1 1
----------------+----------+----------------+----------------------+-------------
... x.. ...     |  2  0  0 | 60  *  *  *  * |  1  1  1  0  0  0  0 | 1  1  1  0 0
oo.3oo.5oo.&#x  |  1  1  0 |  * 60  *  *  * |  0  0  2  1  0  0  0 | 0  1  2  0 0
.oo3.oo5.oo&#x  |  0  1  1 |  *  * 60  *  * |  0  0  0  1  2  0  0 | 0  0  2  1 0
... ..x ...     |  0  0  2 |  *  *  * 60  * |  0  0  0  0  1  1  1 | 0  0  1  1 1
... ... ..x     |  0  0  2 |  *  *  *  * 30 |  0  0  0  1  0  0  2 | 0  0  2  0 1
----------------+----------+----------------+----------------------+-------------
o..3x.. ...     |  3  0  0 |  3  0  0  0  0 | 20  *  *  *  *  *  * | 1  1  0  0 0
... x..5o..     |  5  0  0 |  5  0  0  0  0 |  * 12  *  *  *  *  * | 1  0  1  0 0
... xo. ...&#x  |  2  1  0 |  1  2  0  0  0 |  *  * 60  *  *  *  * | 0  1  1  0 0
... ... ofx&#xt |  1  2  2 |  0  2  2  0  1 |  *  *  * 30  *  *  * | 0  0  2  0 0
... .ox ...&#x  |  0  1  2 |  0  0  2  1  0 |  *  *  *  * 60  *  * | 0  0  1  1 0
..o3..x ...     |  0  0  3 |  0  0  0  3  0 |  *  *  *  *  * 20  * | 0  0  0  1 1
... ..x5..x     |  0  0 10 |  0  0  0  5  5 |  *  *  *  *  *  * 12 | 0  0  1  0 1
----------------+----------+----------------+----------------------+-------------
o..3x..5o..     ♦ 30  0  0 | 60  0  0  0  0 | 20 12  0  0  0  0  0 | 1  *  *  * *
oo.3xo. ...&#x  ♦  3  1  0 |  3  3  0  0  0 |  1  0  3  0  0  0  0 | * 20  *  * *
... xox5ofx&#xt ♦  5  5 10 |  5 10 10  5  5 |  0  1  5  5  5  0  1 | *  * 12  * *
.oo3.ox ...&#x  ♦  0  1  3 |  0  0  3  3  0 |  0  0  0  0  3  1  0 | *  *  * 20 *
..o3..x5..x     ♦  0  0 60 |  0  0  0 60 30 |  0  0  0  0  0 20 12 | *  *  *  * 1
```