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n drug development. Biotechnology in Germany in October 2011 show, Biotechnical Fair), using 3D printers print artificial blood capillary to attract the attention of the participants, these artificial capillary has been applied in clinical medicine. application of daily life 3D food printer is developed by Cornell University in New York, the United States food manufacturing equipment. The 3D food printer used similar routine puter printers, the working principle of ingredients and ingredients in the container (cartridge) in advance only need to enter the required recipe, by supporting the CAD software can keep the food print out. For many chefs, the new kitchen cooking means that they can create new dishes make food more individuality, higher food value. Using the 3D food printer making food, from raw materials to finished products can significantly reduce the link, so as to avoid the pollution in the links of food processing, transportation, packing and so on and preservation, etc. Because of the cooking materials and ingredients must be placed in the printer, so food raw materials must be liquid or other can print state. IT applicationsRecently, a group of researchers in Disney39。s use of 3D printing in the same effect with the organic glass high pervious to light plastic, at low cost to print out the LCD screen with a variety of sensors, realize the new breakthrough in the IT applications. Using 3D printing light pipe can produce hightech international chess。 the chess pieces can detect and display the current location. Although the monochrome screen pared with in the daily life, rich and colorful display some insignificant, but it has a 3D printing the advantages of low cost, simple manufacturing process. In addition to the display screen, the use of 3D printing will also be able to print out a variety of sensors. These sensors can be through the stimulation such as infrared light to detect touch, vibration, and the results printing will create more for life and wisdom city of IT applications.3 The development trend of 3D printing technology3D printing technology continues to develop, greatly reduce the cost of the already from research and development of niche space into the mainstream market, the momentum of development is unstoppable, has bee a widespread concern and civil market rapidly emerging new printing production model, the application of g