3D models are transformed into g-code, essentially a set of instructions which positions the motors precisely and generates the required volume extrusions to create the part. This technology can be described as the inverse process of a computer numerical cutting (CNC) machine. Fused Filament Fabrication (FFF) or Fused Deposition Modeling (FDM):įFF is a relatively new method of rapid prototyping (also known as FDM) which works by laying down consecutive layers of material at high temperatures, allowing the adjacent layers to cool and bond together before the next layer is deposited: In this article we are going to take a closer look at three of the main types of rapid prototyping solutions available today: fused filament fabrication ( FFF), stereolithography ( SLA), and selective laser sintering ( SLS). ![]() When choosing a rapid prototyping solution there are often many possible options, each with their own set of strengths and weaknesses.
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