Karen Gillan got her fake lips from a Halloween store
The ugly fan whom Rachel has a photo taken with and Rachel's biggest fan were rumored to be based on one of Karen Gillan's fans whom she had met at Armageddon Expo in Wellington, New Zealand in July 2015.
Black Swan (2010) was considered as a possible strong influence behind Conventional (2015).
Karen Gillan's 2nd horror film. 2 years earlier she starred in Oculus (2013).
Karen Gillan began work on the short film after attending Armageddon Expo in Wellington, New Zealand.