Great sphenoidal heptachiliadiacosichoric tegum

The great sphenoidal hepta-chillia-diacosi-choric tegum, also called the great sphenoidal heptachilliadiacosichoric bipyramid is a convex isoteric polyteron with 14400 identical sphenoidal pyramids as tera. As the name suggests, it can be constructed as a tegum based on the great sphenoidal heptachilliadiacosichoron.