Acronym rasdi Name retrosnub icositetrachoron,retrosnub disicositetrachoron Cross sections ` ©` Circumradius (sqrt(5)-1)/2 = 0.618034 Confer uniform relative: gax   segmentochora: gikepy Externallinks

As abstract polytope rasdi is isomorph to sadi, thereby replacing pentagrams by pentagons, resp. by replacing gike by ike.

This polychoron has ionic icoic symmetry.

Incidence matrix according to Dynkin symbol

```s3/2s4o3o

demi( .   . . . ) | 96 ♦   3   6 |  3   9  3 |  3  1  4
------------------+----+---------+-----------+---------
.   s4o .   |  2 | 144   * |  0   2  2 |  1  1  2
sefa( s3/2s . . ) |  2 |   * 288 |  1   2  0 |  2  0  1
------------------+----+---------+-----------+---------
s3/2s . .   ♦  3 |   0   3 | 96   *  * |  2  0  0
sefa( s3/2s4o . ) |  3 |   1   2 |  * 288  * |  1  0  1
sefa( .   s4o3o ) |  3 |   3   0 |  *   * 96 |  0  1  1
------------------+----+---------+-----------+---------
s3/2s4o .   ♦ 12 |   6  24 |  8  12  0 | 24  *  *
.   s4o3o   ♦  4 |   6   0 |  0   0  4 |  * 24  *
sefa( s3/2s4o3o ) ♦  4 |   3   3 |  0   3  1 |  *  * 96

starting figure: x3/2x4o3o (Grünbaumian)
```

```s3/2s3/2s4o

demi( .   .   . . ) | 96 ♦  2  1  2   4 |  1  2   6  3  3 |  2  1 1  4
--------------------+----+--------------+-----------------+-----------
s   2   s .   |  2 | 96  *  *   * |  0  0   2  2  0 |  1  1 0  2
.   .   s4o   |  2 |  * 48  *   * |  0  0   0  2  2 |  0  1 1  2
sefa( s3/2s   . . ) |  2 |  *  * 96   * |  1  0   2  0  0 |  2  0 0  1
sefa( .   s3/2s . ) |  2 |  *  *  * 192 |  0  1   1  0  1 |  1  0 1  1
--------------------+----+--------------+-----------------+-----------
s3/2s   . .   ♦  3 |  0  0  3   0 | 32  *   *  *  * |  2  0 0  0
.   s3/2s .   ♦  3 |  0  0  0   3 |  * 64   *  *  * |  1  0 1  0
sefa( s3/2s3/2s . ) |  3 |  1  0  1   1 |  *  * 192  *  * |  1  0 0  1
sefa( s   2   s4o ) |  3 |  2  1  0   0 |  *  *   * 96  * |  0  1 0  1
sefa( .   s3/2s4o ) |  3 |  0  1  0   2 |  *  *   *  * 96 |  0  0 1  1
--------------------+----+--------------+-----------------+-----------
s3/2s3/2s .   ♦ 12 |  6  0 12  12 |  4  4  12  0  0 | 16  * *  *
s   2   s4o   ♦  4 |  4  2  0   0 |  0  0   0  4  0 |  * 24 *  *
.   s3/2s4o   ♦ 12 |  0  6  0  24 |  0  8   0  0 12 |  *  * 8  *
sefa( s3/2s3/2s4o ) ♦  4 |  2  1  1   2 |  0  0   2  1  1 |  *  * * 96

starting figure: x3/2x3/2x4o (Grünbaumian)
```

```s3/2s3/2s *b3/2s

demi( .   .   .      . ) | 96 ♦  1  1  1  2  2  2 |  1  1  1  3  3  3  3 | 1 1  1 1  4
-------------------------+----+-------------------+----------------------+------------
s   2   s      .   |  2 | 48  *  *  *  *  * |  0  0  0  2  0  2  0 | 1 0  1 0  2
s   2   .      s   |  2 |  * 48  *  *  *  * |  0  0  0  0  2  2  0 | 0 1  1 0  2
.   2   s      s   |  2 |  *  * 48  *  *  * |  0  0  0  0  0  2  2 | 0 0  1 1  2
sefa( s3/2s   .      . ) |  2 |  *  *  * 96  *  * |  1  0  0  1  1  0  0 | 1 1  0 0  1
sefa( .   s3/2s      . ) |  2 |  *  *  *  * 96  * |  0  1  0  1  0  0  1 | 1 0  0 1  1
sefa( .   s   . *b3/2s ) |  2 |  *  *  *  *  * 96 |  0  0  1  0  1  0  1 | 0 1  0 1  1
-------------------------+----+-------------------+----------------------+------------
s3/2s   .      .   ♦  3 |  0  0  0  3  0  0 | 32  *  *  *  *  *  * | 1 1  0 0  0
.   s3/2s      .   ♦  3 |  0  0  0  0  3  0 |  * 32  *  *  *  *  * | 1 0  0 1  0
.   s   . *b3/2s   ♦  3 |  0  0  0  0  0  3 |  *  * 32  *  *  *  * | 0 1  0 1  0
sefa( s3/2s3/2s      . ) |  3 |  1  0  0  1  1  0 |  *  *  * 96  *  *  * | 1 0  0 0  1
sefa( s3/2s   . *b3/2s ) |  3 |  0  1  0  1  0  1 |  *  *  *  * 96  *  * | 0 1  0 0  1
sefa( s   2   s    2 s ) |  3 |  1  1  1  0  0  0 |  *  *  *  *  * 96  * | 0 0  1 0  1
sefa( .   s3/2s *b3/2s ) |  3 |  0  0  1  0  1  1 |  *  *  *  *  *  * 96 | 0 0  0 1  1
-------------------------+----+-------------------+----------------------+------------
s3/2s3/2s      .   ♦ 12 |  6  0  0 12 12  0 |  4  4  0 12  0  0  0 | 8 *  * *  *
s3/2s   . *b3/2s   ♦ 12 |  0  6  0 12  0 12 |  4  0  4  0 12  0  0 | * 8  * *  *
s   2   s    2 s   ♦  4 |  2  2  2  0  0  0 |  0  0  0  0  0  4  0 | * * 24 *  *
.   s3/2s *b3/2s   ♦ 12 |  0  0  6  0 12 12 |  0  4  4  0  0  0 12 | * *  * 8  *
sefa( s3/2s3/2s *b3/2s ) ♦  4 |  1  1  1  1  1  1 |  0  0  0  1  1  1  1 | * *  * * 96

starting figure: x3/2x3/2x *b3/2x (Grünbaumian)
```