The internal dimensions of the metal profile correspond to the height of the artist, 166.5 cm, and the opening of the arms of the artist, 177 cm.
According to the drawing the Vitruvian Man by Leonardo the two measurements should be equal enrolling the subject in a square, in the case of the artist's arms are a little more long not enrolling the subject in a square but in an almost square rectangle.
The work is made ​​with a strip of metal brush polished to a length of 6 meters, the length in trade, folded so as to draw the rectangle with the desired measures.