Copenhagen-based ceramicist Anna Olivia Kristiansen has come out with a line of Head and Tail cups, which can be mixed and matched to "create a completely new breed."
Above: Head and Tail cups are AU $50 for a two-cup set from Twenty 21.
Above: When they're not stacked, the cups have an abstract art look.
N.B. This post is an update; the original ran on September 9, 2011.