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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 type of modeling is done using a computer software and a set of tools that work together to achieve this purpose. In 3D modeling, an artist models or sculpts an object of his imagination transforming it into a 3D image on the computer.

The computer achieves 3D modeling since every computer representation is composed of multiple polygons, each with three or more vertices. The virtual image that is formed by combining two or more of these polygons is what is called a 3D model. A 3D artist uses this available software to create outlines that will define the shape of a profile or character that he or she visualizes. A number of techniques are put into play when it comes designing the models.

Primitive modeling is one of the most basic techniques that are used by artists. The only problem with this method is that it is so basic that there are drawbacks available. In primitive modeling, basic shapes such as spheres, circles, and rectangles, among others, are used to create the characters that the artist wants. 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 technique in 3D modeling is NURBS (Non Uniform Rational Bspline). In this model, a mathematical curve, represented by a set of equations, is implemented to create the desired shapes in a model. In this model, you can easily manipulate the set of curves to create anything you would like. These curves are usually referred to as NURBS and can be dragged around the screen to alter their shapes.
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Surface modeling is a widely adopted form of modeling whereby an artist creates a spline cage profile for the 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 is widely used since it allows combining 2D and 3D modeling techniques which gives 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.