The document discusses 3D scanning techniques and applications. It provides an outline that includes an overview of 3D printing, 3D scanning techniques like desktop and handheld scanning, other applications, and implications. It also mentions demonstrations. Desktop 3D scanners discussed include David 3D scanner and reconstructme.net. Handheld scanners mentioned are Skanect and ReconstructMe. Other applications discussed are 123dapp. The document appears to be about 3D scanning and its various uses.