Constitution class model
Constitution class model could refer to:

Constitution class model (retcon), details the CGI models for the Constitution class in the 2250s as seen in Star Trek: Discovery
Constitution class model (original), details the physical and CGI models for the Constitution class in the 2260s as seen in Star Trek: The Original Series and The Animated Series
Constitution class model (refit), details the physical and CGI models for the Constitution class in the 2270s, '80s, and '90s as seen in the Star Trek films