Generate an axis-aligned cuboid [PrimitiveMesh]. Generate an axis-aligned cuboid [PrimitiveMesh]. Size of the cuboid mesh. Defaults to (2, 2, 2). Number of extra edge loops inserted along the z-axis. Defaults to 0. Number of extra edge loops inserted along the y-axis. Defaults to 0. Number of extra edge loops inserted along the x-axis. Defaults to 0.