Definition of 3D Printing:
The action or process of making a physical object from a three-dimensional digital model, typically by laying down many thin layers of a material in succession.
The manufacturing of a three-dimensional product from a computer-driven digital model. This process is additive, where multiple layers from CAD (computer-aided design) drawings are laid down one after another to create different shapes. Industries that use 3D printers include engineering, architecture, medical, industrial design, construction and many others.
Meaning of 3D Printing & 3D Printing Definition