Poly Modeling is perhaps the most effective and precise technique.

3D Modeling

When you create a model in 3D, you'll usually learn one method to create your model, and go back to it time and again when you need to create new models. There are three basic methods you can use to create a 3D model, and 3D artists should understand how to create a model using each technique. 

1. Spline or patch modeling: (Non-Uniform Rational B-Splines) used to be the paradigm of choice for organic character modeling, but more powerful computers, subdivision surface, and other technological advances have breathed new life inot organic polygon-based models. Buildings, spaceshjips, and other inorganic surfaces are now mostly built in Nurbs.
IN Nurbs Modeling we will build our own craft in this sophisticated paradigm. Unlike Polygons, however, NURBS require a grasp of some basic concepts bfore you can effectively wprl with them.. 

Spline modeling is used primarily for the creation of hard objects, like cars, buildings, and furniture. Splines are extremely useful when creating these objects, which may be a combination of angular and curved shapes. When creating a 3D scene that requires curved shapes, spline modeling should be your first choice. 

 

2. Box modeling: Box modeling is possibly the most popular technique, and bears a lot of resemblance to traditional sculpting. In box modeling, one starts with a primitive (usually a cube) and begins adding detail by "slicing" the cube into pieces and extending faces of the cube to gradually create the form you're after.Polygons are the best  oldest modeling part of Paradigm; thier Paradigree extemds back decades.  People use box modeling to create the basic shape of the model. Once practiced, the technique is very quick to get acceptable results. The downside is that the technique requires a lot of tweaking of the model along the way. Also, it is difficult to create a model that has a surface topology that lends well to animation. 
Box modeling is useful as a way to create organic models, like characters. Box modelers can also create hard objects like buildings, however precise curved shapes may be more difficult to create using this technique. 

 

3. Poly modeling / edge extrusion: While it's not the easiest to get started with, poly modeling is perhaps the most effective and precise technique. In poly modeling, one creates a 3D mesh point-by-point, face-by-face. Often one will start out with a single quad (a 3D object consisting of 4 points) and extrude an edge of the quad, creating a second quad attached to the first. The 3D model is created gradually in this way. While poly modeling is not as fast as box modeling, it requires less tweaking of the mesh to get it "just right," and you can plan out the topology for animation ahead of time. 
Modeling is the process of taking a shape and molding it into a completed 3D mesh. The most typical means of creating a 3D model is to take a simple object, called a primitive, and extend or "grow" it into a shape that can be refined and detailed. Primitives can be anything from a single point (called a vertex), a two-dimensional line (an edge), a curve (a spline), to three dimensional objects (faces or polygons). 


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