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Module 2: 3D Printing Materials

2025?m

Which Additive Manufacturing process primarily utilizes raw material in the form of a wire/filament?

(i) Selective Laser Sintering (SLS)
(ii) Stereo Lithography (SLA)
(iii) Fused Deposition Modeling (FDM)
(iv) Binder Jetting

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Answer: (iii) Fused Deposition Modeling (FDM)

FDM commonly uses thermoplastic material in filament form. The filament is fed into a heated extrusion head, melted or softened, and deposited through a nozzle according to the programmed toolpath.

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