A technician works on Kylo Ren's Lightsaber hilt from "Star Wars: The Force Awakens", in the Propshop headquarters at Pinewood Studios near London, Britain May 25, 2016. REUTERS/Peter Nicholls - RTX2F4SM

A technician at "Propshop" adds finishing touches to a replica of Darth Vader's melted helmet from "Star Wars: The Force Awakens", in the Propshop headquarters at Pinewood Studios near London, Britain May 25, 2016. REUTERS/Peter Nicholls - RTX2F4U6

A technician holds a replica of Ray's Lightsaber hilt from "Star Wars: The Force Awakens", in the Propshop headquarters at Pinewood Studios near London, Britain May 25, 2016. REUTERS/Peter Nicholls - RTX2F4SE

A technician adds finishing touches to a replica of Kylo Ren's helmet from "Star Wars: The Force Awakens", in the Propshop headquarters at Pinewood Studios near London, Britain May 25, 2016. REUTERS/Peter Nicholls - RTX2F4SU

A technician adds finishing touches to a replica of Chewbacca's Bowcaster from "Star Wars: The Force Awakens", in the Propshop headquarters at Pinewood Studios near London, Britain May 25, 2016. REUTERS/Peter Nicholls - RTX2F4U9

A technician holds a replica of Kylo Ren's Lightsaber hilt from "Star Wars: The Force Awakens", in the Propshop headquarters at Pinewood Studios near London, Britain May 25, 2016. REUTERS/Peter Nicholls - RTX2F4SY

A technician at "Propshop" adds finishing touches to a replica of Darth Vader's melted helmet from "Star Wars: The Force Awakens", in the Propshop headquarters at Pinewood Studios near London, Britain May 25, 2016. REUTERS/Peter Nicholls - RTX2F4TB

A technician adds finishing touches to a replica of Kylo Ren's helmet from "Star Wars: The Force Awakens", in the Propshop headquarters at Pinewood Studios near London, Britain May 25, 2016. REUTERS/Peter Nicholls - RTX2F4TP

A worker holds a replica of Kylo Ren's helmet from "Star Wars: The Force Awakens", in the Propshop headquarters at Pinewood Studios near London, Britain May 25, 2016. REUTERS/Peter Nicholls - RTX2F4SD

Replica parts of Poe Dameron's helmet from "Star Wars: The Force Awakens", are seen in the Propshop headquarters at Pinewood Studios near London, Britain May 25, 2016. REUTERS/Peter Nicholls - RTX2F4U5

A worker holds a replica of Poe Dameron's helmet from "Star Wars: The Force Awakens", in the Propshop headquarters at Pinewood Studios near London, Britain May 25, 2016. REUTERS/Peter Nicholls - RTX2F4S7

A worker holds a replica of Chewbacca's Bowcaster from "Star Wars: The Force Awakens", in the Propshop headquarters at Pinewood Studios near London, Britain May 25, 2016. REUTERS/Peter Nicholls - RTX2F4T2

A member of the digital team works on Darth Vader's melted helmet from "Star Wars: The Force Awakens", in the Propshop headquarters at Pinewood Studios near London, Britain May 25, 2016. REUTERS/Peter Nicholls - RTX2F4TN

A member of the Digital team works on the design of Finn's Stormtrooper helmet from "Star Wars: The Force Awakens", in the Propshop headquarters at Pinewood Studios near London, Britain May 25, 2016. REUTERS/Peter Nicholls - RTX2F4RX

A worker holds a replica of Darth Vader's melted helmet from "Star Wars: The Force Awakens", in the Propshop headquarters at Pinewood Studios near London, Britain May 25, 2016. REUTERS/Peter Nicholls - RTX2F4SC

A worker looks at replicas of Kylo Ren's helmet, Finn's Stormtrooper helmet and Poe Dameron's helmet from "Star Wars: The Force Awakens", in the Propshop headquarters at Pinewood Studios near London, Britain May 25, 2016. REUTERS/Peter Nicholls - RTX2F4TK

Images of Poe Dameron's helmet from "Star Wars: The Force Awakens", are displayed on a computer screen in the Propshop headquarters at Pinewood Studios near London, Britain May 25, 2016. REUTERS/Peter Nicholls - RTX2F4S0

Jet Cooper works on Kylo Ren's Lightsaber hilt from "Star Wars: The Force Awakens", in the Propshop headquarters at Pinewood Studios near London, Britain May 25, 2016. REUTERS/Peter Nicholls - RTX2F4TD

A technician laser-scans a replica of Poe Dameron's helmet from "Star Wars: The Force Awakens", in the Propshop headquarters at Pinewood Studios near London, Britain May 25, 2016. REUTERS/Peter Nicholls - RTX2F4RW

A worker holds a replica of Finn's Stormtrooper helmet from "Star Wars: The Force Awakens", in the Propshop headquarters at Pinewood Studios near London, Britain May 25, 2016. REUTERS/Peter Nicholls - RTX2F4SF