The 3D scan is a method used to see 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 model a alike object. This is used in many recent applications like the animation in movies and games. It is used in the medical meadow also. A 3D scan helps to design false body parts in region of deceased part. 3D scanner can take images of vivid things and based on the disadvantages costs are constant. Better arresting of picture will rate more than a mediocre quality. 3D scan have its advantages and limitations. Its limitations would be the difficulty to examine a shiny surface. But some modifications on the surface can make scanning possible. 3D scan is also created for the fetus. It helps us to see the reside movements of the baby in the womb and also can see its vivid parts of the body. These scans are assist in forming any deformations in the baby at a very premature stage. It is possible to get dual black and white or colour images of the object or the foetus.