Errands of a 3D model designer

Do you have any idea about what exactly a 3D model is

? If you have ever seen a statue or monument in your existence, you by now be acquainted fairly a little regarding 3D Modeling. 3D Modeling is not anything but the formation of a personality or a representation of a thing having three dimensions (as in actual world). 3D models are crafted by a 3D model designer, using the procedure, techniques, methods and apparatus made available by computer software.

The software like 3DS Max, Maya, SoftImage etc, we use for the purpose of 3D Modeling and animation tool. The tool will provide a set of tools or apparatus that a 3D model designer can make use of to carve or model, an object in his thoughts, into a 3d computer illustration. This 3D model can be changed, animated or turned into a movie in accordance to the need of 3D model designer. A 3D model designer should be creative and innovative.

There are chiefly five types of 3D modeling, which have been discussed below:

# Primitive 3D Modeling: This is a very fundamental modeling technique and consequently has quite a few draw backs too. The software tool like 3DS Max, Maya etc provides a set of 3D primitives like spheres, boxes etc. The 3D model designer modifies these shapes to suit his/her character modeling requirements.

# NURBS 3D Modeling: it stands for Non Uniform Rational Bspline it is a mathematical curve, represented using a set of equations. If we see this modeling technique from an outer view, all we see is a set of simple curves that we call NURBS.

# Surface 3D Modeling: it is an extensively accepted modeling technique used largely for organic modeling. In this modeling technique, the 3D model designer generates a spline cage profile for the 3D character.

# Polygonal 3D Modeling: it is used for both in organic and inorganic 3D modeling. The basic principle behind this modeling technique is as the 3D model designer illustrated the shape of the model he desires to generate using the polygon tool. Then the polygon will get subdivided and extruded, so that the model gets the 3D form.

# Sub-division 3 D Modeling: it has control points and lattices that can be dragged and stimulated, to modify the original polygonal model that lies underneath. This modeling technique also permits the 3D model designer to choose the level of modification to be done in an exact area.

3D effects are frequently attained without wireframe modeling and are sometimes impossible to differentiate in the final form. Some graphic art software includes filters that can be applied to 2D vector graphics or 2D raster graphics on transparent layers.

Advantages of wireframe 3D modeling over exclusively 2D methods include: Flexibility, Ease of rendering, automatic calculation, rendering photorealistic effect, accurate photorealism.

Errands of a 3D model designer

By: Shartit

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