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Overview of the open-source personal protective equipment (PPE) models. In the columns, the main steps of production and assembly are demonstrated (I—Craftware™ (Craftunique, 1087 Budapest, Hungary) software screenshot, before slicing, II—3D-printed models, III—assembled, finished models). The first row shows (a) the open-source (OS) half mask; the second row shows (b) the OS face shield; the third row shows (c) the OS safety goggles, according to the production steps.
