Fig. 5.

3D printed objects fabricated using different AM techniques: a PCL/PEG polyblend scaffold for bone regeneration; [94] b PCL, PVAc and hydroxyapatite composite porous scaffolds employing bone regeneration; [96] c 3D printed nose based on a alginate–chitosan complex hydrogel; [59] d native anatomic and axisymmetric aortic valve geometries printed with PEG-diacrylate hydrogels; [145] e various 3D anatomical geometries based on PEG–alginate–nanoclay hydrogels; [146] f PEG hydrogel microspheres as bilding blocks for 3D printed scaffolds; [115] g vascular structures based on alginate; [147] h 3D-printed artificial trachea scaffolds based on PCL; [148] i 3D printed anterior cruciate ligament screw from PLA-magnesium-α-tocopherol; [149] j 3D scanned models of wrist splints based on PLA; [150]. Reproduced with permission