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. 2021 Mar 26;9(4):336. doi: 10.3390/biomedicines9040336

Figure 3.

Figure 3

Schematic representation of stereolithography (SLA) and digital light processing (DPL) as top-down approaches. Both processes are based on crosslinking a photosensitive resin using a laser. SLA cures the individual points of a resin layer one after the other. Digital light processing can cure entire layers at once, using so-called digital micromirror devices.