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New to 3d printing? Let's make a very quick list of the main 3d printing techniques!
FDM (Fused Deposition Modeling) A plastic filament is melted and deposited layer by layer. Is the classic 3D desktop printer.
SLS (Selective Laser Sintering) A laser sintering powdered material that is laid layer by layer. This technique allows a higher resolution.
SLA (Stereolithography) It's a complex process that use photopolymerization laser to solidify a liquid resin layer by layer.
DLP (Digital Light Processing) Very similar to the previous technique, the difference is the light source. A led UV projector solidifies a photopolymer layer by layer.