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Laser cutting can work with 2D (two dimension) workpiece with plane or flat surface. Laser cutting can work with tubes or special-shaped workpiece which is 3D (three dimension) So laser cutting machines can arrange to cut both 2D and 3D workpieces.
the three-dimensional image produced by laser light is a hologram
Laser interference
difference between 2d and 3d what is 3d colour image medical processing
raster image = monitor, laser printer or ink-jet printer vector image = graphics plotter