For that film Jein contributed a number of models including miniature landscapes for UFOs to fly over, but most significantly he and his crew built the detailed mothership model that features heavily in the final sequence of the film after Spielberg decided he wanted "a more flamboyant design".
For that film Jein contributed various models, including miniature landscapes for UFOs to fly over, but his significant creation was the detailed mothership model that appears prominently in the final sequence after Spielberg chose a "more flamboyant" design.