The concept of intended gyroid lattice structure is still unoccupied in lightweight industrial applications. Gyroid cellular lattice structure can be represented as the most appropriate lattice structure in lightweight applications due to its void spaces and triply periodic minimal surface. However, due to their complexity conventional manufacturing methods are not capable of producing it competently. However, modern additive manufacturing methods typically exhibit better results in manufacturing complex geometries. Fused Deposition Modelling (FDM) is easily adaptable among all additive manufacturing methods due to its less complexity. In the FDM method, much attention bear upon product eminence, one of the top features is the wide choice of printing material. In this study, Polylactic acid (PLA) is used with Ultimaker 3 Extended printer to print the gyroid cell. The cura slicing software was used to generate the print G-code which gives a widespread control parameter over printing quality. Even though gyroid lattice structures can be printed in FDM there are some concerns about the printing parameters and slicing method. Accordingly, many common defects can be presented in the printed gyroid lattice structures with the improper print setting. The analysis was carried out with the 4 mm least printable size of polyester 3D gyroid unit cell. This study presents comprehensive observations on the common defects such as strings, voids, layer shifts, excessive material, ununiform layer width and shape deformation in least printable lattice structure. Further, it conveys the prevention methods to reduce the aforementioned imperfections through fixing printing parameters such as printing speed, retraction length, layer height and retraction speed.