Line up the bottom edge of the guitar body with the corner of the orthographic side view.
将吉他琴身底下(底层的面)的边和吉他侧面视图上的控制角点(锚点)对齐。
2
By taking the side view of the orthographic and scale, shear, rotate (SSR) it onto the Isometric plane you can figure out the thickness of the guitar body.