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What You Should Know About 3D Modeling 3D modeling is an emerging trend in modeling that is used to create 3 dimensional images and renders. If you have come across a sculpture, then you know about 3D modeling. This form of modeling can be achieved using a computer and some special tools designed for this specific purpose. In 3D modeling, an artist models or sculpts an object of his imagination transforming it into a 3D image on the computer. Using a number of polygons that have three or more vertices makes it possible to create 3D images on the computer. When you put two or more of these polygons together, you will get a virtual object that is known as a 3D model. Using a computer and specialized software, the artist creates an outline that can be used to develop the shapes of the characters that he or she visualizes. To come up with the models, there are a couple of techniques that are put into use. One of the most common techniques that have been in use for a long time is primitive modeling. The only problem with this method is that it is so basic that there are drawbacks available. Primitive modeling makes use of basic shapes such as circles, spheres, and rectangles, among other shapes to suit the character being developed. Given the shapes that are provided, this method is only suitable when creating objects like furniture and houses since complex shapes will only take more time and effort to achieve.
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Another popular form of 3D modeling is NURBS, which is an acronym for Non Uniform Rational Bspline. This method uses a mathematical curve that is represented by a set of equations which can be transformed into a variety of shapes to create a desirable character. In this model, you can easily manipulate the set of curves to create anything you would like. These curves, commonly referred to as NURBS, have control points that can be dragged around the computer screen to alter the shapes of the curves.
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In Surface modeling, another popular form of 3D modeling, an artist is required to develop spline cage profile for a 3D character. The splines in this case will intersect with each other allowing the creation of simple and complex shapes which form a closed profile of the character unlike in NURBS. This method has turned out to be very popular mostly because it brings together the best qualities of 2D and 3D modeling, giving artists more flexibility. Other methods include polygonal modeling which is used in both organic and inorganic modeling and the Sub Division modeling which is a hybrid between Polygonal modeling and the NURBS.