https://www.google.com/search?q=william+morris+wallpaper&safe=off&source=lnms&tbm=isch&sa=X&ved=0ahUKEwiv-6y6uKPZAhWBjlkKHZjpBfYQ_AUICigB&biw=1225&bih=690look at dudes other paintings, he references patterns all the time.