Fig. 2From: Double-trajectory lumbar screw placement guided by a set of 3D-printed surgical guide templates: a cadaver studyAnteroposterior view a and lateral view b of the lumbar spine after the design of the two screw paths with Mimics19.0 software. Use Geomagic studio12.0 software to extract the surface anatomical data of the region encompassing the spinous process and vertebral plate, and construct the attachment surface of the guide plate. Accurately register screw path with attachment surface to generate a virtual surgical guide cBack to article page