What is 3D printing?

Answer 1

3D printing technology has advanced to a level where it is just as easy to make 3D prints as one would make laser or inkjet prints at home. Even the prices of 3D printers have fallen to levels that are surprisingly affordable. Materials such as polymer resin or filaments of polymers, are so affordable priced they will make you consider buying a cheap 3d printing machine and get started printing you. iannone3d.com

Answer 2

3d printing is used as a 3d printer, a machine that creates objects layer by layer using cross sections of CAD data. This term is sometimes used interchangeable with additive manufacturing. Some forms of 3DP include printing binder onto layers of powder, curing layers of UV curable resins them one by one, sintering nylon and metal powders and fusing extruded plastic on to a platform.

In simple it is used for printing clear pictures or images.