(MEDIUM)Inspired by the use of Voronoi diagrams in a large number of fields ranging from Astronomy to Zoology, we created various artifacts featuring complex voronoi structures.Voronoi diagrams have been used by anthropologists to describe regions of influence of different cultures; by crystallographers to explain the structure of certain crystals and metals; by ecologists to study competition between plants; and by economists to model markets in the U.S. economy. [David Austin, Grand Valley State University]In mathematics, a Voronoi diagram is a special kind of decomposition of a metric space, determined by distances to a specified family of objects (subsets) in the space. [Wikipedia]Internal diameter is 52 mm. The Strong & Flexible material that is provided by Shapeways is flexible enough to fit almost any medium wrist.Also available in SMALL and LARGE size.The best way to measure your wrist is to wrap a piece of string around your wrist, mark it and then measure its diameter. Please contact for a custom size.Recommended material for purchase: Strong & Flexible (any color).Make sure that you check under 'Select Material' for currently available color options.