surfaces, graph, graphs, surface, structure, structures, network, conformation, networks, geometry, configuration, molecules, rings, ring, case, molecule, systems, faces, form, shape, motion, waves, forms, interface, substrate, diagrams, circuit, compounds, topology, curve, arrangement, diagram, front, devices, growth, vibrations, lines, ones, dolomite, extension, pcbs, boundaries, objects, features, defects, fronts, coils, shapes, array, wave, topography, crystals, diffusion, points, wake, layers, solidification, drawings, morphology, regions, dyes, wing, distortion, electrodes, fields, radicals, cracks, edges, motions, wings, interferometer, path, distortions, oscillator, flow