A preliminary sketch similar in size to the work, such as a fresco, that is to be copied from it.
A preliminary sketch similar in size to the work, such as a fresco, that is to be copied from it.
草图在尺寸上与成作如一幅壁画近似的预备性素描，成作要从此草图临摩下来
A preliminary sketch similar in size to the work, such as a fresco, that is to be copied from it.
草图在尺寸上与成作如一幅壁画近似的预备性素描，成作要从此草图临摩下来