800×800× (63725 bytes) {{Information |Description = Birectified [[Gosset 4_21_polytope]] in Coxeter plane, vertices only, colored by multiplicity: red, orange...
Description4 21 t2 A5.svg Birectified en:4_21_polytope in a en:Coxeter plane projection Date 11/3/10 Source Own work Author self...
Description4 21 t2 E8.svg Birectified en:4_21_polytope in a en:Coxeter plane projection Date 11/3/10 Source Own work Author self...
Description4 21 t2 E6.svg Birectified en:4_21_polytope in a en:Coxeter plane projection Date 11/3/10 Source Own work Author self...
Description4 21 t2 B4.svg Birectified en:4_21_polytope in a en:Coxeter plane projection Date 11/3/10 Source Own work Author self...
Description4 21 t2 p20.svg Birectified en:4_21_polytope in a en:Coxeter plane projection Date 11/3/10 Source Own work Author self...
Description4 21 t2 B8.svg Birectified en:4_21_polytope in a en:Coxeter plane projection Date 11/3/10 Source Own work Author self...
Description4 21 t2 B3.svg Birectified en:4_21_polytope in a en:Coxeter plane projection Date 11/3/10 Source Own work Author self...
Description4 21 t2 E7.svg Birectified en:4_21_polytope in a en:Coxeter plane projection Date 11/3/10 Source Own work Author self...
Description4 21 t2 B5.svg Birectified en:4_21_polytope in a en:Coxeter plane projection Date 11/3/10 Source Own work Author self...