The Sculptor's Chisel
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A Cartesian plane (named after French mathematician Rene Descartes, who formalized its use in mathematics) is defined by two perpendicular number lines: the -axis, which is horizontal, and the -axis, which is vertical. Using these axes, we can describe any point in the plane using an ordered pair of numbers.
The plane which makes up a 2 dimensional graph, can be used in a grid where a planes intersect in an axis forming a cube.
A Cartesian grid is a special case where the elements are unit squares or unit cubes, and the vertices are points on the integer lattice. A rectilinear grid is a tessellation by rectangles
