3D Printing is the trending technology in this generation and its usage is increasing day-by-day because it reduces cost of production.FDM (Fused Deposition Modeling) is one type of 3D printing which uses plastics in the form of wire like filament by an extruder for making 3D prints.But, by installing a pellet extruder instead of filament extruder reduces cost of printing process that is 1 kg of PLA pellets cost around 4€ while 1 kg of PLA filament cost around 22€; also, can print wide ranges of materials, increase in speed of prints, chance of recyclability when compared to filament extruder.Whole purpose of this paper is to provide information about installation of a miniature pellet extruder to a 3D printer especially in FDM 3D PRINTERS instead of filament extruder.Most of the FDM 3D printers use plastics in the form of wire like filament for making 3D prints.This paper provides in detail information about FDM and its types, difference between pellet extruder and filament extruder, their advantages and disadvantages, information about some pellet extruders and type of FDM printers they are suitable for.Knowledge from this study will help to choose between pellet extruder and filament extruder which fulfils requirement and which types of pellet extruder have to install to 3D printer depending on its type and requirement.
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