Keywords: Stereographic polytope 24cell.png Stereographic projection of the 24-cell a 4-dimensional polytope Vertices and Edges are shown; faces are not author Fritz Obermeyer created using Jenn3d http //www jenn3d org en wikipedia Jalo CommonsHelper 2006-09-25 Fritz obermeyer wikipedia en Fritz obermeyer Original upload log page en wikipedia Stereographic_polytope_24cell png 2006-09-25 23 03 Fritz obermeyer 1100×1000× 328110 bytes <nowiki></nowiki> 24-cell Set of convex regular 4-polytopes; stereographic black 024 |