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173. The use of rapid prototyping

Rapid prototyping is a technology that use a 3D computer model to build a 3D plastic part. There are three basic techniques for rapid prototyping: Stereolithography, Selective Laser Sintering, and Fusion Deposition Modeling. For all of these processes, the model needs to be professionally designed using computer aided design (CAD).

Usually two methods of rapid prototyping are used. They are FDM and 3D-printing. FDM-prototyping is a "growing" product samples in a special installation method of layer deposition half-melted plastic filament emerging from the die, in accordance with the control program. 3D-printing from finely divided powder layers lay out and glued with a special compound.

Rapid Prototypes may also be used for communicating with manufacturers (especially overseas ones), to attract investors, customers and for consumer marketing focus groups. It is much easier to communicate an invention or design using a 3-D prototype than with a drawing or blueprint.