Example2.Draw the square prism and get points on the surface 画四棱柱及表面上各点的三视图。 Steps作图步骤： Draw view of the end faces 先画反映端面形状的视图； Complete three views. 再按三等规律画全三视图； Draw all views of points. 求各点的三投影。 请点击鼠标左键显示后面内容返回10 d" c d C D S Example2. Draw the square prism and get points on the surface. 画四棱柱及表面上各点的三视图。 请点击鼠标左键显示后面内容 Draw view of the end faces. 先画反映端面形状的视图; Complete three views. 再按三等规律画全三视图; Draw all views of points. 求各点的三投影。 Steps 作图步骤： c" d' （c")