mock up
/ˈmɑkˌʌp/
noun
- A full-sized model of something, used for testing, display, or study before the real thing is built.
- The architect presented a mock-up of the new building to the city council.
- The engineers built a mock-up of the airplane cockpit to test the controls.
- Before printing the brochure, the designer created a mock-up to show the layout.