The correct answer is 3D printing. 3D printing, or additive manufacturing, is the construction of a three-dimensional object from a CAD model or a digital 3D model. The term "3D printing" can refer to a variety of processes in which material is deposited, joined or solidified under computer control to create a three-dimensional object,Additional Information4D printing4D printing is the process through which a 3D printed object transforms itself into another structure over the influence of external energy input. Web printing:-Web Print is a driver-less printing service that allows users to print by uploading documents from a web browser. .