In Leo Steinberg’s journal article about Velazquez’s Las Meninas, Steinberg highlights the idea that the subjects of Las Meninas were interrupted in whatever it was they were doing; in the foot notes he explains other philosophers highlight this idea…
Virtual 3D model contemplating the use of a large mirror in gray (above, Velázquez and his companions are facing east; the angle of Velázquez’s vision as the painter and the position in which he appears in the actual painting are marked on the floor)…
This model is posted on-line for an interactive viewer experience where one can walk “inside” of the painting virtually and discover the correct physical position a spectator has to be in order for the perspective of the painting to work