Part of the
Atlas of Small Regular Polytopes
Polytopes of Type {20,18}
See
other polytopes
of rank 3
Polytopes of this Type
3 in this atlas
{20,18}*720a
·SmallGroup(720,137)
{20,18}*720b
·SmallGroup(720,394)
{20,18}*1440
·SmallGroup(1440,4569)