There are many ways to showcase your prototype

Visual prototype

Start with a visual prototype. It is the easiest way to showcase the shape and dimensions of a product. Take notice though, it is an image, usually with no working abilities, visualizations, or materials testing

Proof-of-Concept Prototype

The core functionality of the product is provided with a proof-of-concept prtototype. Visually, this type of prototype does not resemble the final one, usually in trems of materiality and components

Presentation prototype

This prototype has the closest psossible resemblance of the final product in terms of functionality and materiality