Stereolithography (SL _ SLA)

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SLA and DLP are two sides of the same coin. SLA (Stereolithography) and DLP (digital laser projection) both use light to “grow” objects in a pool of photoreactive resin. The difference is that SLA works by flashing a laser — a tiny dot of concentrated light — across a given area to harden it and create a layer. In contrast, DLP machines cure all areas of a layer simultaneously, by projecting light onto the resin in the shape of that layer.

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