The previous chapter discussed FDM 3D printers, which represent about 90% of the consumer market. The
other 10% belongs to a special class of 3D printers called resin printers. You might also see the term “SLA”,
masked SLA (mSLA), or DLP (digital light processing). SLA is an acronym for “stereolithographic appa-
ratus,” which basically means “gizmo that writes with light. ...
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