The 3D scan is a system used to perceive the objects as they actually look. For this system a 3D scanner is used. It obtains all in row about the article and stores it. This stored information is then used to replica a alike object. This is used in many fresh applications like the simulation in movies and games. It is used in the health meadow also. A 3D scan helps to design false body parts in region of deceased part. 3D scanner can take images of different things and based on the limitations costs are set. Better arresting of picture will price more than a mediocre quality. 3D scan have its advantages and limitations. Its limitations would be the tough to scan a shiny surface. But few modifications on the surface can make scanning possible. 3D scan is also made for the fetus. It helps us to see the survive movements of the child in the womb and also can see its various parts of the body. These scans are helpful in shaping any deformations in the baby at a very early stage. It is likely to get two black and white or colour images of the object or the foetus.