The prototype for Tiers, Patricia Urquiola’s modular coffee table for Viccarbe, was shown at Feria Hábitat Valencia. The user can play with a choice of 2 bases and 4 tabletops to create the coffee table that best suits the needs at hand.

http://mocoloco.com/fresh2/2010/10/15/tiers-by-patricia-urquiola.php
http://www.architonic.com/pmgal/tiers-viccarbe/2046148