Medical, surgical and orthopedic implants for articulating joints made of 3D printed artificial materials for pre-replacement patients; medical devices, namely, surgical implants composed of 3D printed artificial materials with cartilage-matched mechanical properties for use in self-repairing and growth of new joint tissue and cartilage for pre-replacement patients; medical devices, namely, surgical implants composed of 3D printed artificial materials for use in repairing focal cartilage defe...