“Tears of Steel” is a short film made in Amsterdam the Netherlands by the Blender Institute, well known for realizing the open source short animation movies “Big Buck Bunny” (2008) and “Sintel” (2010). As usual these films get financing by crowd-funding in online communities of 3D artists and animators. For “Tears of Steel” the funding target was to explore a complete open source pipeline for producing a high quality visual effect film, with as theme “Science Fiction in Amsterdam”.