20 Things You Somehow Missed In Blade Runner
14. The Symbolism Of The Origami
Don't worry, we're not going down the proverbial rabbit-hole / shouting match over whether or not the origami unicorn answers one of the biggest movie mysteries of the 20th Century. It drove Ridley Scott wild and bored Harrison Ford to tears, nobody's going to inflict it on you again here.
That said though, Gaff's use of origami elsewhere in the film is quite interesting. The first example sees him construct a chicken from paper, symbolizing that Deckard is attempting to "chicken out" of the situation.
However, sculpting a match-stick man in Leon's apartment is symbolic of the creation of man itself. Specifically, the Titan who defied the gods (Tyrell) by stealing fire (hence the match) and sculpting man from clay (not unlike the birth of the replicants themselves).
The name of this Titan... Prometheus.