Fig. 2
No.2 patient (a) According to the 3D model made by CT, 4 and 5 costal cartilage fractures and 6 costal anterior costal arch fracture can be seen. b The 3D model of the fracture end of the rib was adjusted by using 3D software model. c The 3D printed 4–6 rib model shows a large gap between the locking plate and the shape of the rib. d After giving the shape, the locking plate and the rib paste are in good condition. e, f Postoperative review, the shape of the internal fixator was intact, and the shape of the contralateral rib recovered well compared with the preoperative image