DimensionsOnline version Decide whether each term relates to 1 dimensional (1D), 2 dimensional (2D). or 3 dimensional (3D) art. Click on a term and the other terms that relate to the same number of dimensions. Continue until all terms are matched by Sally Linfield 1 1D 2 2D 3 3D line length record of a movement shape length x width square flat circle triangle photograph Form length x width x height cube sphere pyramid sculpture