A "scale replica" refers to a smaller or enlarged version of something that accurately resembles the original object in every detail, including the proportions and features. Full definition
And that led to a decision to draw attention to his plight by mounting an art exhibition featuring a full - scale replica of his prison cell. (kamwilliams.com)
The outer form is a quarter - scale replica of a gallery in the lobby that will be open to the public. (whitney.org)
The feature piece of the Collector's Edition is the Titanfall 2 Vanguard Pilot Helmet, which is a 1: full scale replica of the one used in Titanfall 2. (jamiex66.com)