Design by Fifteen heralds the Japanese concept of yo-no-bi: where beauty and function find the perfect balance. Each work becomes a functional art piece. Indeed, mathematically, 15 can be conveyed in the magic square with running numbers from 1 to 9, with each diagonal, horizontal or vertical line resulting to the conclusive sum of 15. It is mathematically perfect in every sense. And it is functionally beautiful at every angle. This is design by fifteen.