Keywords: Heptahedron 4,4,4,3,3,3,3.svg en A shaded wire frame of a Heptahedron with face configuration 4 4 4 3 3 3 3 Created with GeoGebra 2013-11-08 14 12 02 own DEMcAdams cc-zero Uploaded with UploadWizard Set of polyhedra; simple gray Heptahedron |