If you are familiar with Stargate at all, you may already know that much of the film was created using practical effects, including large sets and more, though some limited CGI was used at the time. However, given the budget of the flick was not as big as they probably would have liked, sometimes the film had to resort to some janky methods to get the scope it wanted, as Dean Devlin hilariously revealed to Dial the Gate.
Article source: https://www.cinemablend.com/news/2557955/stargate-movie-writer-dean-devlin-admits-one-funny-thing-he-wishes-he-could-change-movie