Tintoretto: Artist of Renaissance Venice

Great exhibition at the National Gallery of Art in Washington, DC

https://www.nga.gov/exhibitions/2019/tintoretto-the-artist-of-venice-at-500.html

Looking at Tintoretto’s paintings I have noticed that all of the feet on his paintings are the same. It doesn’t even matter whether they belong to a man or to a woman, they all look alike: always big, robust, with exaggeratedly long toes. Whose feet did he draw - maybe his own?