Fused Depositon Modeling (FDM) or Fused Filament Fabrication (FFF)

A string of thermoplastic wire called filament being feed and push into hot zone.

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The plastic melted and being forced out from an tiny nozzle hole.

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Object is built by selectively depositing melted material in a pre-determined path layer-by-layer

4 Types of FDM 3D Printer we recommend: