Figure 8. Cervical rib (No. D15-6) of an undetermined diplodocid sauropod a) in external and b) in internal view. Scale bar is 10 mm. 3-D polygon surface model of the same cervical rib, based on neutron tomography volume data. External view illustrated in c) and internal view in d). Animation of external view in e) and animation of internal view in f). Surface models were constructed using VG Studio and Cinema 4D 8R.