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Fused Deposition Modeling (FDM) is a type of additive manufacturing technology that enables the construction of three-dimensional objects, prototypes and products through a computer-aided or driven manufacturing process. It is used in 3-D printing or the design of solid models and prototypes in a layered or additive approach.
FDM is also known as fused filament fabrication or fused deposition method.
Fused Deposition Modeling (FDM) is trademarked by Stratasys Inc., a leader in building FMD-based 3-D printers.
FDM is primarily a rapid prototyping technique that enables the quick, clean and cost efficient development of prototypes and small functional components. It works through a CAD/CAM based design diagram, which is fed to an FDM system. The system sends design-specific commands to a controller head, which releases the melted thermoplastic accordingly. This process is repeated layer by layer based on specific design coordinates. The molten material becomes a solid object as soon it is exposed to a cooler environment.