 Scroggins Aviation Mockup & Effects was hired to fabricate and build the Blue Eurocopter EC130 T2 airframe body known as "JW001" in the film, while 32TEN Studios created the automatic Jurassic World gates and various practical effects such as explosions.During filming, Trevorrow confirmed reports that the story involved a functioning dinosaur theme park and a hybrid dinosaur; he was disappointed these details could not be kept secret until the film's release.During filming, the "Indominus rex" was also known as "Diabolus rex", a name Trevorrow devised to maintain secrecy on the project.