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An original form of 3D color printing, SLS or selective laser sintering, uses a laser to precisely heat powder and create an object layer by layer. Objects do not require supports; objects created in SLS printers have powder that fill gaps and act as temporary supports before post processing. A box of powder acts as the build platform, with an arm placing more powder on it after each layer is sintered.


-Full color printing

-Extremely accurate and precise

-Post processing is simple, involves blowing off excess material and optional glaze or liquid

-Post processing is safer than polymer printing


-Extremely pricey material cost

-Currently, printing can be extremely slow

-Not user-serviceable

-No home-consumer version as of yet

-Models tend to be brittle

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