Replica
A replica was an exact reproduction of someone or something.

In 2267, Harry Mudd had the Mudd androids "construct a perfect  of Stella, so that he could "gaze upon her and rejoice in her absence," during his reign on planet Mudd. ()

A computer programmed and projected  of Losira appeared to the  landing party in 2269. She was the only representative left on the Kalandan outpost planet before the power to recreate them was destroyed. ()

Later that year, when the Enterprise visited Gideon, he was transported to a replica of the Enterprise, designed, according to Spock, "to confuse his mind as to make him susceptible to some extraordinary experiment." ()

Mr. Atoz, the last of the Sarpeidon natives, had multiple  created in his image so that he could delegate out some of the simpler tasks required of him. ()

See also 
 Doppelgänger
Replicant

External link 
 

Science