The decorative pattern seen here is called this "-and-dart"
[DOC] [TLE] Mary Jo Bang | Superstition Review [PAR] Andre Breton called Picasso's painting, Les Demoiselles d'Avignon, "an 
explosion ... Polke, who sadly just recently died, often places objects and figures 
here and .... of an architectural detail from 1 BCE, a decorative pattern called egg 
and dart.