https://blog.faceutil.com/2020/06/17/00illustrator-%eb%ac%b4%eb%a3%8c-%ec%95%84%ec%9d%b4%ec%bd%98-%eb%8b%a4%ec%9a%b4%eb%a1%9c%eb%93%9c-%ed%8e%b8%ec%a7%91-%ec%8b%a4%eb%ac%b4%ec%82%ac%ec%9a%a9-%eb%ac%b4%eb%a3%8c-%ec%95%84%ec%9d%b4/