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Torus Command

The Torus command defines a toroidal volume to be filled with material points or defined as a hole:

Torus (xmin),(xmax),(ymin),(ymax),(zmin),(zmax),(axis),<(radius)>

where

The (axis)specifies the normal direction to the plane of the torus. The bounds for the directions in the plane of the torus (e.g., x and y bounds when axis is 3) define an ellipsoid (or circle if the bounds have the same separation) that runs through the center of the torodial ring. The bounds in the direction of the axis define top and bottom for the cross-section of the torodial ring. The cross section will be a circle with radius given by half the distance between the top and bottom. To have an eliptical cross section, you can specify optional parameter (radius) to define the radius of the cross section in the plane of the torus (while top and bottom give radius of the cross section in the axis direction).