Computer Aided 3-D Modeling

Computer Aided 3-D Modeling

In 3D computer graphics, 3D modeling (or three-dimensional modeling) is the process of developing a mathematical representation of any three-dimensional surface of an object (either inanimate or living) via specialized software. The product is called a 3D model.

3-D modeling is the use of software to create a virtual three-dimensional model of some physical object.

3-D modeling is used in many different industries, including virtual reality, video games, 3D printing, marketing, TV and motion pictures, scientific and medical imaging and computer-aided design and manufacturing CAD/CAM. 3-D modeling software generates a model through a variety of tools and approaches including:

  • simple polygons.
  • 3-D primitives -- simple polygon-based shapes, such as pyramids, cubes, spheres, cylinders and cones.
  • spline curves.
  • NURBS (non-uniform rational b-spline) - smooth shapes defined by bezel curves, which are relatively computationally complex.


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