Infill refers to the internal structure created within 3D prints using FDM or FFF technology, which provides support and rigidity without requiring a solid plastic build. The density of this infill, expressed as a percentage, significantly impacts print time, material usage, and the final product's strength. While 0% infill can suffice for some decorative items, functional parts may require higher densities, with patterns like grid, cubic, gyroid, and lightning offering different structural benefits depending on the application. AI
RANK_REASON Article explains a specific feature/setting within a broader technology (3D printing).
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