How Prototyping Software Process Model Works? Stage-Wise Explanation Prototyping software builds the software miniature at the initial stage so that designers and customers will get to know how it will appear. The software enables designers and developers to eliminate any errors in the initial stage of the design. This saves company costs by ensuring that the final product is as expected. The prototype is finalized after taking multiple feedbacks from customers and modifying it as per the customer requirements. After finalizing the prototype, the developers go ahead with the main software development, ensuring no errors in the design. Stages in Prototyping Process Model