Swirlprismatostellated bijungatotetracontoctachoron

The 1-pyritohedral small rhombicuboctahedral swirltegum is an isochoric polychoron with 144 identical cells. Together with its dual, it is the first in an infinite family of small rhombitetratetrahedral swirlchora.

Isogonal derivatives
Substitution by vertices of these following elements will produce these convex isogonal polychora:
 * Unnamed cell (144): Swirlprismatodiminished biambotetracontoctachoron
 * Mirror-symmetric hexagon (144): Swirlprismatodiminished biambotetracontoctachoron
 * Mirror-symmetric pentagon (144): Swirlprismatodiminished biambotetracontoctachoron
 * Isosceles triangle (144): Swirlprismatodiminished biambotetracontoctachoron
 * Edge (144): Swirlprismatodiminished biambotetracontoctachoron
 * Vertex (48): Tetradisphenoidal diacosioctacontoctachoron
 * Vertex (144): Swirlprismatodiminished biambotetracontoctachoron