3D printing has evolved as a disruptive technology for fabrication of industrial components, however due to the intrinsic nature of the process, the mechanical strength of the parts developed by 3D printing is a subject of research. The economic and technical advantages offered by 3D printing makes it as a potential replacement for the conventional manufacturing processes, particularly for developing complex and optimized products. The current paper is structured to focus on the various processes of 3D printing used for the development of industrial products, the various process parameters involved in each process and their effect on the mechanical properties of these parts particularly fatigue, tensile, bending strength, etc. primarily focusing on polymeric materials. Further an important aspect of 3D printed parts i'e tribological properties have been highlighted. A systemic literature review related to these aspects has also been presented. A section highlights the various applications of these 3D printed parts particularly in medical, aerospace and automotive. A section also highlights the sustainability aspects of these 3D printed parts. The paper also highlights the possible future research areas, recommendations and challenges involved in developing 3D printed parts.

With the advance of nanotechnology in the insulation materials applications the polymers underwent structural changes, seen as individual and multiple nanoparticles techniques, moreover, frequency response analysis (FRA) provides an important prospective design for multiple nanocomposites applications. In this paper, the experimental work has been done for fabrication new polyvinyl chloride nanocomposites that is using individual and multiple nanoparticles to get low dielectric loss under thermal conditions. SEM images have detected the penetration of nano additives inside polyvinyl chloride materials that are obvious the patterns of utilizing individual and multiple nanoparticles. The series of experiments have performed on multi-nanocomposites of polyvinyl chloride samples in reference to additive free multiple nanoparticles (ZnO, Clay, Al 2 O 3 , and Fumed Silica) for controlling on dielectric losses with variant thermal conditions. Also, this paper has been discussed the electric field distribution inside dielectric nanocomposites and multiple nanocomposites for three-core belted power cables based on charge simulation method (CSM). Finally, it has been defined the features layout of using multi-nanoparticles that are enhancing multi-disciplinary properties of polyvinyl chloride as power cables insulation. • Reduction the dielectric losses inside insulation of three-core belted power cables by using nanoparticles. • Optimal electric field distribution inside insulation of three-core belted power cables by using nanoparticles. • Fabrication new polyvinyl chloride nanocomposites with low dielectric loss under thermal conditions. • Layout features of using multi-nanoparticles for enhancing multi-disciplinary properties of polyvinyl chloride.