3D or three dimensional models are used for different purposes. Surgeons and filmmakers are just two of many professions that use 3D models on a regular basis. 3D models created by the assignment of different coordinates in 3D space. Health professionals using detailed 3D models of organs to teach medical students, describe and plan the surgery and demonstrates the procedures for students and patients. Plastic surgeons use the detailed program for creating 3D models of the body to show a before and after "to potential patients. There are two types of 3D models: regular and Shell. Solid models to define the scope of the 3D model is solid, like pieces of stone. Solid 3D models can be used in many engineering models. They are used for the simulations are not visual. Shell 3-D models are more varied and includes the outer layer, and represents the surface of a 3D model. Shell 3D models used in film and video games are created to allow the user to manipulate the model as needed. The 3D models have many advantages over traditional models of 2-D, for example, the flexibility afforded by the use of 3D models – we can change the angles, or create animated photographed much faster than using two dimensional models. 3D models in combination with the software allows us to make instant calculations. This is one reason why the 3D models are increasing in popularity with earth scientists and engineers. Finally, 3D models allow us to have a concise overview of an object that allows greater precision in the construction, design or figure. In addition, 3D models have the advantage of being easily encouraged to see every aspect of a structure or object. It is this feature, the 3D character models that becomes a sphere from the center of which has increased functionality in the transcripts. 3D model used in Graphic Design 3D models are widely used in graphic design including 3D animation. An image is created through the coordination of points on a graph. A model does not become a chart to graphically shown by the animation and rendering. There are three parts to create a 3D model in graphic design. The first is the 3D modeling of the form given to an object with a focal point. These points are plotted on a graph. For graphic design, most models are scale models that can be easily manipulated with the size and shape. Then, the design and animations are bearing can move objects in the scene. Thereafter, the process of making 3D objects related to the creation of images of that particular topic. This step in particular, gives the distance between the image and the scene there with specific measurements. Design determines how the object moves in time, and if this change will take place within the object. Representation is the process of animation is taken from a 3D model to an image. Includes the display of an image can be manipulated with the style or lighting. Rendering has two basic processes: that is, diffusion and transport. Dispersion defined as the surface of the object will interact with and transport light defines the process of how it came to one place or another. There are two ways that a 3D image can be implemented in a computer program. It can be created by the program, or software design or image can be scanned into the computer with scanning software. After a model has become, is readily converted to 2D in order to facilitate editing, but the process of creating a 3D model of a 2D three-step process must be created, (modeling, design and rendering) . 3D model used in the medical field more than likely, the best known in the medical field can be seen in a local medical clinic visit. Inside the office are the 3D models of organs, heart and lungs to the gastrointestinal or bone. These models are used in teaching anatomy or medical or used to detect the abnormality, disease or procedures for patients. Although the body is inside the body, 3D models, giving the patient the opportunity to visualize the body properly. Software has made it possible for surgeons to create surgical plans, and help the whole process. Specific software allows 3D images of the body to be operated. These 3-D medical models are accurate in size and shape, but some also in detail – even the texture. The models are created similar bodies as possible. This feature allows the surgeon to learn, before attending a procedure in a human body to feel the sensation of a body. Textures and special materials used to create 3D models of the heart because the heart is definitely not hard plastic. Some specialists, like surgeons, plastic 3D models for the patient to visualize the results of specific operations. This process is an image taken by the patient, or a custom 3D model is created using software based on specific measures and coordinates to create change and visualize these changes – instantly! 3D models have become valuable teaching tools. Many sites allow a user to gain valuable information about the body of work through 3D models. These models are good for high school students, all the way students in a medical program. The accuracy is intact and representations provide familiarity, and it is easier to learn than a two-dimensional images on a page.