Process productivity can be achieved by enhancing the cost-effectiveness which, in turn, is closed related to the properties of the materials and speed of deposition of layers. As an example, the resolution of extrusion processes, the most common AM technique, is attained through the deposition of very thin layers. This increases the time and cost of operation; placing AM in an unfavourable circumstance in comparison to traditional manufacturing techniques. In the current scenario of substantial advance in the methods of layer deposition, this engineering barrier faced by the AM technology is likely to determine the commercialization underpinning of 3D printers.