Fig.3 Surface morphology and mechanical properties of 3D printed PTMC/TPU scaffolds. (A) SEM images showing the surface morphology of PTMC/TPU scaffolds. (B) Tensile stress-strain curves, (C) plastic strain, (D) ultimate tensile strength, (E) elastic strain, (F) yield strength and (G) elastic modulus of 3D printed PTMC/TPU scaffolds.