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PBBJ 3D-printed parts. (a) Computer-aided design image to sintered part. Reproduced with permission from [92]; (b) PBBJ 3D-printed mesh structures with powder size < 20 µm. The designed width is 400 µm, and the measured width ranges from 650–770 µm. Reproduced with permission from [100]; (c) example of PBBJ 3D-printed components with complex shapes. Reproduced with permission from [101].
