While my 2,000 year old Han Dynasty warrior head is probably my favourite design item, the most important item in my collection is something entirely different. This festive bauble is a miniature version of the Quin.MGX form, most commonly available as a pendant light, from Belgian firm Materialise.
Designed by Yale mathematician turned artist, Bathsheba Grossman, the Quin is the poster child of the 3D printing design revolution. The intricate shape would otherwise be impossible to realise. It's second only to the wheel in terms of what it represents from a design, engineering & aesthetic perspective.