<p>2D도면작성 - 도형의 표시방법(2)<br></p><p><br></p><p><a href="https://www.youtube.com/watch?v=VK1Dsn3jaqI&amp;feature" target="_blank">https://www.youtube.com/watch?v=VK1Dsn3jaqI&amp;feature</a><br></p>