The 3D scan is a system used to perceive the objects as they actually look. For this technique a 3D scanner is used. It obtains all in rank about the object and stores it. This stored information is then used to replica a similar object. This is used in many fresh applications like the simulation in movies and games. It is used in the health field 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 limitations costs are fixed. Better detaining of picture will cost more than a medium quality. 3D scan have its advantages and limitations. Its limitations would be the difficulty to check a glittery surface. But some modifications on the surface can make scanning possible. 3D scan is also make for the fetus. It helps us to see the reside movements of the baby in the womb and also can see its various parts of the body. These scans are assist in forming any deformations in the baby at a very premature stage. It is likely to get dual black and white or colour images of the object or the foetus.