Great diacositetracontatriacosihexacontaswirlprismatic hecatonicosatriacosihexacontachoron

The great diacositetracontatriacosihexacontaswirlprismatic hecatonicosatriacosihexacontachoron, abbreviated as the great 240-360 swirlprismatic 120-360choron or simply gidditsphit, is a nonconvex uniform polychoron. It is made out of 240 tetrahemihexahedra, 480 triangular prisms of two kinds, and 360 tetrahedra.

Along with the small diacositetracontatriacosihexacontaswirlprismatic hecatonicosatriacosihexacontachoron, it is one of the first two new uniform polyhedra to be discovered since 2006. It was found in September 2020 by _Geometer, a member of the Hi.gher Space forum.