A company lets you enter in cities you've been to and generates a physical mesh to order as a necklace, earrings, or cufflinks. Source: http://meshu.io/
2013 – Loci: 3D Printed Sculptures of Your Flights
Loci by Andrew Spitz lets you easily create physical 3d arc diagrams based on your past flights, and may be soon be available through an iphone app. Source: Andrew Spitz (2013) Loci - 3D Printed Sculptures of Your Flights.
2013 – Turning Facebook Connections into Data Sculptures
An application created by SOFTlab and The Creators Project lets you turn your facebook social network into a beautiful crystal-like data sculpture. Sources: Kree8tiv via iohannan's pinterest. See the page on shapeways.