Masaccio’s Illusionism

I think a person of the renaissance who views his paintings would be astonished. They have never seen anything like that because everybody during that time period are use to seeing flat paintings and drawings. But Masaccio has created something that has  never been seen before. He created something that created an illusion making the drawing seem like its three dimensional. His famous painting called the holy trinity fresco which can be considered as true linear perspective drawing