Radiotherapists are using 3D printed replica heads of their patients to practice performing cancer treatments and work out any kinks before doing the real thing
Source:
https://www.newscientist.com/article/2205957-3d-printed-replica-heads-are-being-used-to-help-treat-cancer-patients/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home