- 21788 2160x3840 tube, plexus, wavy
- 21226 2160x3840 connections, scheme, network
- 20868 2160x3840 chlorofluorocarbons, dichlor, molecule
- 20765 2160x3840 metal, relief, volume
- 20736 2160x3840 structure, geometric, triangles
- 20427 2160x3840 relief, volume, gloss
- 19456 2160x3840 holes, circles, ovals
- 19408 2160x3840 hexagons, diagram, circles
- 19100 2160x3840 figure, structure, tangled
- 18955 2160x3840 dummy, head, mesh
- 18776 2160x3840 ball, sphere, metal
- 18736 2160x3840 fractal, details, circles
- 18701 2160x3840 balls, spheres, 3d
- 18463 2160x3840 structure, construction, metallic
- 18333 2160x3840 earth, planet, debris