In multiple-point perspectuive, why do the vanishing points not appear on thhe canvas itself

When you draw or paint the vanishing Point is the point where things disappear in the distance !!

Answerruth's dream is similar to mama"s, she wanted to build a happy family and believe one step toward this goal is to own a bigger and better place to live. also deferred by lack of money, which forces her and walter to live in a crowed apartment where their son, travis must sleep on a sofa///now one site said ruth wants to move to clyborn just keep that in mind/// good luck

Maybe because it was so unique, a form of art, and they could easily store things in it and no one had ever done that before. i’m not sure but that’s what i think : )