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Woodpile (A–C) and hexagonal structures (D–F) produced using the PSL system according to the engineered CAD files, using a 15% GelMA prepolymer solution. The PSL fabrication process produced precise features using a system of dynamic masks generated by a digital light controlling chip. Figures A, B and D, E show side and top views of the woodpile and hexagonal scaffolds respectively. Figures C and F show a magnification of the assembled structures.
