Four Sided Triangle (1953)
- Duration: 01:21:00
- Year: 1953
- Rating: NR
- Cast: Barbara Payton, James Hayter, Stephen Murray, John Van Eyssen, Percy Marmont, Jennifer Dearman, Glyn Dearman, Sean Barrett, Kynaston Reeves, John Stuart, Edith Saville
- Directors: Terence Fisher
- Writers: Terence Fisher, Paul Tabori, William F. Temple
- Genre: Drama, Sci-Fi, Sci-Fi|Hammer Films, Sci-Fi|Sience Gone Bad
An early 50's sci-fi/drama, Four Sided Triangle, finds Bill and Robin and their friend Lena developing a reproducer that can exactly duplicate any object. Bill, crushed when Lena marries Robin, convinces her to allow him to duplicate her so that he may have a copy of her for himself.