Fig. 2From: Conceptual evolution of 3D printing in orthopedic surgery and traumatology: from “do it yourself” to “point of care manufacturing”Surgical navigation of a pelvic tumor. Design and 3D Printing of patient-specific instruments. Patient radiological images a, 3D digital model b, Products [3D printed biomodel, Navigation instruments] c, Product utility [Intraoperative utility] dBack to article page