Multidimensional art is a modern umbrella for art that refuses the flat picture plane: works built out from - or through - the surface so that they cannot be fully seen from one vantage point. Its practitioners work with cut and folded paper, stacked transparent sheets, relief construction, plastics, textiles, beads and found objects, assembling layers that shift as the viewer moves. The label is loose and covers no single movement: the early Cubist reliefs of Joseph Csaky, such as the polychrome limestone Deux figures (1920), prefigure the approach, while twentieth-century paper sculptors like Leo Monahan and layered-photograph installation artists have kept it current. What unites the category is physical depth used as an expressive device - the work is an object in space, not an image on a wall.