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(A) Schematic of the digital micromirror device micro-stereolithography projection printing system (DMD-PP). (B) Stress-strain simulations of a ZPR PEG construct. Insets include a magnified and layer-by-layer assembly view of a double-layer scaffold assembled by stacking single- layer sheets (Layers C1 and C2) with a connecting layer of vertical posts (Layer P). (C) Unit-cell geometry and relevant parameters. The walls of the unit-cells are approximately 40 μm wide and 100 μm deep.
