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Comparing Mirror and Cyclic Symmetry
Here is a summary of how mirror symmetry differs from cyclic symmetry.
 Mirror Symmetry Cyclic Symmetry • Useful for symmetry problems with relatively simple geometric profiles. • Useful for symmetric problems with complex geometry. • You reduce the geometry by placing constraints along planes of reflective symmetry. Each plane, in effect, reduces the model or model segment by one half. • You reduce the geometry by finding the smallest symmetric segment and applying cuts to isolate this segment. • If you choose to use cuts to isolate the symmetric segment, the cuts must be planar. • Cuts you use to isolate the symmetric segment need not be planar. • You must explicitly define separate constraints for each unique plane of symmetry to indicate that the segment is connected to the parent model. • You define a single cyclic symmetry constraint for both cut surfaces or, in the case of shells, both cut curves. Creo Simulate interprets the constraint to mean that the model is a symmetric segment. • You can define more than one mirror symmetry constraints for a single model. The mirror symmetry planes must be parallel or orthogonal to each other. • You can define only one cyclic symmetry constraint for a single model.