The octagonal diorthoprism or odop, also called square-octagonal plus-prism or sople, is a uniform compound polychoron. It is a compound of two square-octagonal duoprisms.
|Bowers style acronym||Odop|
|Cells||8+8 cube, 8 op|
|Faces||16+32+32 squares, 8 octagons|
|Vertex figure||Digonal disphenoid, edge lengths √2+√2 (base 1) and √2 (base 2 and sides)|
|Measures (edge length 1)|
|Dichoral angles||Cube–4–cube: 135°|
|Symmetry||B2≀S2, order 128|
It can be edge-inscribed into sidpith.
The vertices are the same as those of its hull, sidpith.
- Klitzing, Richard. "sople".