Model. Study , by franciska clausen , 1925 , sketch and study , Constructivism, Purism style
A drawing of a man laying on his back.
A drawing of a man laying on his back on the ground.  The man is surrounded by abstract shapes and lines.  He is lying on his side with his head resting on his arm.  His arms are stretched out to his sides.  There are two round heads on his head.  All of the shapes are connected by lines and squares.