Started working on this thing. Has an insertible length of 22 cm (11 inches) and a peak diameter of around 5-6 cm (2-2.5 inches). Just a few finishing touches and I can start working on the mold. Pictures in the google drive link.
https://drive.google.com/drive/folders/1fSNRtC6xWuzgOVq--toGkv3wk17NlHgi?usp=drive_link
https://drive.google.com/drive/folders/1fSNRtC6xWuzgOVq--toGkv3wk17NlHgi?usp=drive_link