jon 4d

4D Printing—A Smart Way of 3D Printing: A Brief Review 27. tikus 4d Fig 2 4D printing a basic concept, b process layout 2 1 Process Both the 4D and 3D printing processes are nearly coequal In both approaches, the first step is to design the computer-aided design (CAD) model of the object, then printed it with a suitable 3D printer