Selective laser sintering (SLS) is a type of 3D printing that uses lasers to join particles of plastic powder together to create a solid object. Since SLS prints don’t need supports like many FDM models, interlocking parts and whole assemblies are easy to print.

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SLS printing is typically the 3D printing process of choice for industrial manufacturers because it’s faster per unit volume and produces higher quality functional parts compared to FDM printing. Examples of mass-produced SLS prints range from aircraft cabin components to mascara brushes.

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The one catch is that SLS 3D printers and material are more expensive than they are with FDM, so chances are you’ll need a service provider if you want to turn your designs into a high-grade printed part. We’re here to help by giving you an overview of the best options out there.

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