10 months old conjoined twins, Knatalye Hope and Adeline Faith were facing difficulties as their organs were attached and couldn't be operated easily. However, surgeons at Texas Children’s Hospital used Materialise’s Mimics software to design a 3D-printed model using CT scans and finally separated them successfully after 30 hours and 26 clinicians team.
Source: http://hospital.materialise.com/blog/separating-conjoined-twins/