... in an accurate manner. Classifications on challenges are based on four key categories such as process, material, size and application as the printer designs are mostly based on these parameters. Findings A key three-dimensional printing process methodologies have their unique advantages compared...

...Letizia Mortara; Jonathan Hughes; Pallant S. Ramsundar; Finbarr Livesey; David R. Probert Purpose The purpose of this paper is to propose and discuss a definition and a classification scheme for direct writing (DW) technologies. Design/methodology/approach Both the definition...