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I think you’ve clubbed two questions in one. So let me answer each of them separately. To answer your first question, prototypes are an initial model of a product idea. It is a visual presentation of a product idea and the first step of product development. Prototypes are everything from raw sketches, 3D replicas made from Arts and Crafts items, 3D printers, or even CNC machining that gives you an idea of how your product will look and function. To answer your second question, prototypes are used for the following reasons As a visual representation for your product for your presentations.

To rework on the product to refine the design, functionality, and raw material consumption.

For exhibitions, expos, and trade fairs as a showcase.

To launch a brand new design of an existing product.

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Ian Myers

Lvl 2
5y ago

What else can I help you with?