Fig. 2From: Use of a life-size three-dimensional-printed spine model for pedicle screw instrumentation trainingA real-sized lumbar spinal model was produced using the 3D printing machine (Objet30Pro®, Stratasys, Valencia, CA, USA). Five lumbar models were produced for one spine model. In total, 20 spine models (100 lumbar models) were producedBack to article page