The picture consists of several, stacked mostly rectangular plates (6), whose rear sides can be folded forwards. Each plate consists of two mirror-like, transparent, plastics, injection moulded bodies (2) of the same size. They are glued, or welded together or linked by a snap closure.Fluoride lack plate is inserted a picture pair (3) as a part of the full picture such that a wire or a thin rod forms an axis (4) in the inner rear sides of a picture pair. The axis is slightly eccentric w.r.t. the parallel side faces (6) along the axis.