Production began in early 2006 , and the production team took their teaser trailer of the film to the 2008 Cannes Film Festival , seeking co-financiers . The team signed a co-production agreement with Oliver Damian 's 27 Films Productions . '' Iron Sky '' is one of a new wave of productions , including '' Artemis Eternal '' , '' The Cosmonaut '' , '' A Swarm of Angels '' , and '' RiP ! : A Remix Manifesto '' , produced in collaboration with an on-line community of film enthusiasts , creating participatory cinema . At Wreck-a-Movie , a collaborative film-making web site , the producers invited everyone interested to contribute ideas and resources to the project
2008 Cannes Film Festival
2008 Cannes Film Festival
Iron Sky