Creates a duplicate of the selected polygons mirrored across an axis.
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Specifies the direction you want Maya to mirror the selected polygonal object. By default, the direction is +X. Change these
options and click if you want to mirror the object in another direction.
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Selects how you want the polygons to merge.
When turned on (the default setting), Maya duplicates and flips the original polygon and merges the duplicated polygon with
the original polygon. This makes the new polygonal object one shell. When turned off, Maya duplicates and flips the original
polygon but does not merge the separate shells.
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Select this option to merge adjacent vertices, creating a single shell.
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Select this option to connect the original polygon with the mirrored polygon at the border edges, filling in faces to create
a closed shape.
