four cells around each edge, alternating in 2 colors. Their vertex figures are quasiregular tetratetrahedra, = . Similarly regular hyperbolic honeycombs of the form {p,3,6} or can have their symmetry cut in half as into quasiregular form , creating alternately colored {p,3} cells. They have six cells around each edge, alternating in 2 colors. Their vertex figures are quasiregular triangular tilings, . See also Chiral polytope Rectification (geometry) Notes References Cromwell, P. Polyhedra, Cambridge University Press (1977). Coxeter, Regular Polytopes, (3rd edition, 1973), Dover edition, , 2.3 Quasi-Regular Polyhedra. (p. 17), Quasi-regular honeycombs p.69 External links Quasi-regular polyhedra: (p.q)r George Hart, Quasiregular polyhedra