Abstract
3D printing is widely used for various applications as it offers many benefits. The mechanical property of the part manufactured by using 3D printing is very critical. For that reason, it is important to understand how different values of 3D printing process parameters impact the mechanical properties of the part. As Polylactic Acid (PLA) is most widely used as 3D printing material, it is chosen as the material discussed in this research. The purpose of this research is to provide information related to the influence of various parameters of 3D printing to the mechanical properties of the PLA part. A literature review was performed based on the current research that investigates the 3D printing process of PLA. Based on the literature review, the infill design parameters are considered as important parameters and discussed in this research. The infill design parameters referred in this research are layer thickness, infill pattern, infill density, infill width, and infill deposition speed. The mechanical properties discussed in this research are tensile strength and yield strength, ductility, elasticity or young modulus, compression strength, flexural strength, and stiffness.
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