What are different types of 3D modelling in autocad ?

There are 3 types of 3D modelling .

1. Wire frame modelling:

In this model3D representation of objects is shown by using lines, arcs and circles. It contains edge details or skeletal of object.

2. Surface modelling:

3D objects are made up of opaque surfaces i.e. the inner portion of the object is hollow. Details behind the surfaces are not shown.

3. Solid modelling:

In this method a solid 3D object is produced which looks like solid object made of a material like wood. The solid thus produced can be cut into pieces. Mass properties of solid models can be determined.

http://crbtech.in/CAD-CAM-Training/introduction-autocad-3d-modellin...

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