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General and detailed views of porous lattice structures printed with two bioinks and two printheads. Each bioink was used in a different layer. The G-code was generated using the slicing software with the infill percentages: 10% (a), 15% (b), 20% (c), 25% (d), 30% (e) and 35% (f). The printing pressure and speed utilized in all the cases were 16 psi and 15 mm s−1, respectively; scale bars: 2 mm (general views) and 500 μm (detailed views).
