Nancy Edell directed Black Pudding during her time at Bristol University. The BFI has a description of the film on its platform. 

Prompt: Animate a scene from ‘Black Pudding’ (1969) by Nancy Edell, featuring a giant vagina belching out strange and surreal creatures in a Bosch and Bruegel-inspired style described as ‘Animated lithographic characters: a group of surreal beings take a startling journey through the inner recesses of an enormous nude female.’

Source: British Film Institute: Black Pudding (Original).

Images below: 1-2 Unstable Diffusion; 3-4 Civitai; 5-6 Promptchan.