In rapid prototyping, which process adds material to build a part?

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Multiple Choice

In rapid prototyping, which process adds material to build a part?

Explanation:
The key idea here is building a part by adding material rather than removing or reshaping it. Additive processes work by depositing material—layer by layer—to form the final object, which is exactly what rapid prototyping aims to do for quick iterations and complex geometries. This is in contrast to subtractive methods, which start with a larger block and cut away material to reveal the part, or formative methods, which reshape material through deformation without adding material. Destructive isn’t a typical way to describe prototyping build methods, since it implies damage rather than creation. So the method that adds material to build a part is additive.

The key idea here is building a part by adding material rather than removing or reshaping it. Additive processes work by depositing material—layer by layer—to form the final object, which is exactly what rapid prototyping aims to do for quick iterations and complex geometries. This is in contrast to subtractive methods, which start with a larger block and cut away material to reveal the part, or formative methods, which reshape material through deformation without adding material. Destructive isn’t a typical way to describe prototyping build methods, since it implies damage rather than creation. So the method that adds material to build a part is additive.

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