Acronym sifodib
Name sidtid faceting sidtid-0-10-20-2 (i.e. with 10(=d) {3}, 20(=i) {4}, and 2(=b) {5})
 
Circumradius sqrt(3)/2 = 0.866025
Vertex figures [3/2,4,4,3,4/3,4/3]/0, [3,4,4,5,4,4]/2
Colonel of regiment sidtid

Sifodib is an edge-faceting of sidtid, in fact it uses triangles and pentagons of gidtid and squares of rhom, the inscribed compound of 5 cube.

As abstract polytope sifodib is isomorphic to gifodib, thereby interchanging the roles of pentagrams and pentagons.


Incidence matrix

pseudo {5/2} || {5} || dual {5} || dual pseudo {5/2}   → outer heights = sqrt[(5-sqrt(5))/10] = 0.525731
                               inner height = sqrt[(5-2 sqrt(5))/5] = 0.324920

5 * * * | 2  2  2 0  0 0  0 0 | 2 2  2 0 0 0 0  [3/2,4,4,3,4/3,4/3]/0
* 5 * * | 0  2  0 2  2 0  0 0 | 1 0  2 1 2 0 0  [3,4,4,5,4,4]/2
* * 5 * | 0  0  2 0  0 2  2 0 | 0 2  2 0 0 1 1  [3,4,4,5,4,4]/2
* * * 5 | 0  0  0 0  2 0  2 2 | 0 0  2 0 2 0 2  [3/2,4,4,3,4/3,4/3]/0
--------+---------------------+---------------
2 0 0 0 | 5  *  * *  * *  * * | 1 1  0 0 0 0 0  pseudo {5/2}
1 1 0 0 | * 10  * *  * *  * * | 1 0  1 0 0 0 0
1 0 1 0 | *  * 10 *  * *  * * | 0 1  1 0 0 0 0
0 2 0 0 | *  *  * 5  * *  * * | 0 0  0 1 1 0 0
0 1 0 1 | *  *  * * 10 *  * * | 0 0  1 0 1 0 0
0 0 2 0 | *  *  * *  * 5  * * | 0 1  0 0 0 1 0
0 0 1 1 | *  *  * *  * * 10 * | 0 0  1 0 0 0 1
0 0 0 2 | *  *  * *  * *  * 5 | 0 0  0 0 1 0 1  pseudo {5/2}
--------+---------------------+---------------
2 1 0 0 | 1  2  0 0  0 0  0 0 | 5 *  * * * * *
2 0 2 0 | 1  0  2 0  0 1  0 0 | * 5  * * * * *
1 1 1 1 | 0  1  1 0  1 0  1 0 | * * 10 * * * *
0 5 0 0 | 0  0  0 5  0 0  0 0 | * *  * 1 * * *
0 2 0 2 | 0  0  0 1  2 0  0 1 | * *  * * 5 * *
0 0 5 0 | 0  0  0 0  0 5  0 0 | * *  * * * 1 *
0 0 1 2 | 0  0  0 0  0 0  2 1 | * *  * * * * 5

or
10  * |  2  2  2  0 |  2  2  2 0  [3/2,4,4,3,4/3,4/3]/0
 * 10 |  0  2  2  2 |  1  2  2 1  [3,4,4,5,4,4]/2
------+-------------+-----------
 2  0 | 10  *  *  * |  1  1  0 0  pseudo {5/2}
 1  1 |  * 20  *  * |  1  0  1 0  lacing neighbouring layers
 1  1 |  *  * 20  * |  0  1  1 0  lacing one but next layers
 0  2 |  *  *  * 10 |  0  1  0 1
------+-------------+-----------
 2  1 |  1  2  0  0 | 10  *  * *
 2  2 |  1  0  2  1 |  * 10  * *
 2  2 |  0  2  2  0 |  *  * 10 *
 0  5 |  0  0  0  5 |  *  *  * 2
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