Figure 8

Tensile curves of the untreated and plasma-treated 3D printed PLA samples, fabricated in different orientations (a). FESEM fracture surfaces of the X-NP (b), X-PP (c), Z-NP (d), and Z-PP (e) samples.

Tensile curves of the untreated and plasma-treated 3D printed PLA samples, fabricated in different orientations (a). FESEM fracture surfaces of the X-NP (b), X-PP (c), Z-NP (d), and Z-PP (e) samples.