Answer :
Answer:
Prototype
Explanation:
-Commercialization refers to introducing a product to the market.
-Concept refers to a product idea.
-Test refers to analyzing the performance of a product.
-Standard refers to the level of quality of a product.
-Protocol is a document that helps all the departments involve in the development of the product to coordinate the job.
-Prototype is an initial model of a product that is created to evaluate a concept.
According to this, the answer is that in the development stage, GoPro engineers and designers use a 3-D printer to turn an idea into a product prototype.