Blind mothers can now visualize the faces of their children using 3D Printed Models from IN UTERO 3D. The family-run company in Poland, IN UTERO 3D uses images from the ultrasound and then creates 3d printed models using Ultimaker printer and Spectrum filament and the process takes around four days before delivering directly to the parents.
Source: https://all3dp.com/blind-mothers-see-unborn-babies-with-in-utero-3d/