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Recent advances in multi-material SLA technique: (a) the rotating vat carousel system (images were adapted from Ref. [127]), (b) the dual atomizer aerosol jet system (images were adapted from Ref. [128]), and (c) the setup of the bioprinter equipped with a UV lamp (385 nm), optical lenses and objectives, a DMD chip, and a microfluidic device (images were adapted from Ref. [129]).
