Fig. 3
From: Maintaining safety and efficacy for 3D printing in medicine

Group II, Modified Anatomical Models. Example modifications to the anatomy rendered from medical imaging. a and b, Patient after trauma to the maxilla has a large osseous defect, including teeth. c and d, Model demonstrating design of a suitable graft to facilitate surgical reconstruction. Missing bone is designed using the contralateral anatomy and output as a separate file for 3D printing a template (purple)