Vincent van Gogh “Portrait of Père Tanguy.” Oil on canvas. Van Gogh was very much inspired by Japanese woodblock prints. Notice a Hokusai print of Mount Fuji appears behind the straw hat of the sitter.
Vincent Van Gogh "Grey Felt Hat", , The lines are used in a technique called hatching. Which makes the texture look rough and bumby. The lines are straight, which makes it feel really strong and rough.