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What You Should Know About 3D Modeling

3D modeling is the latest technology in digital printing and imagery whereby you can create an image that has 3 dimensions. 3D modeling is practiced everywhere and if you've come across a sculpture, then you can easily understand this art. This type of modeling is done using a computer software and a set of tools that work together to achieve this purpose. An artist using this 3D modeling equipment can model an object or his or her imagination to transform it into a 3 dimensional image on the computer.

The computer achieves 3D modeling since every computer representation is composed of multiple polygons, each with three or more vertices. When you put two or more of these polygons together, you will get a virtual object that is known as 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 techniques that have been in existence in 3D modeling for quite a long time. 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. This method uses primitive shapes hence it is only useful for creating definite shapes and not complex ones.

Another popular technique in 3D modeling is NURBS (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. This method allows you to create shapes using the generated set of curves. These curves are usually referred to as NURBS and can be dragged around the screen to alter their shapes.

Surface modeling is a widely adopted form of modeling whereby an artist creates a spline cage profile for the 3D character. Unlike in the NURBS model, a closed profile can be achieved in this model since it makes use of splines that can intersect to create a variety of simple and complex shapes. Surface modeling has become popular over the years due to its ability to provide more flexibility by combining 3D and 2D modeling techniques. Other widely used methods include polygonal modeling that is implemented in both organic and inorganic modeling and the Sub Division modeling which is a hybrid between NURBS and Polygonal modeling.
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