What is the meaning of 3D printing?

3D printing is a unique form of printing that is related to traditional rapid prototyping technology. A three dimensional object is created by layering and connecting successive cross sections of material. 3D printers are generally faster, more affordable and easier to use than other additive fabrication technologies. While prototyping dominates current uses, 3D printers offers tremendous potential for retail consumer uses.
This technology is commonly used in the following industries: jewelry, footwear, industrial design, automotive and medical industries.