Flip

The Flip command reverses the normal direction of a curve or surface.

Steps

Select objects.

The command line reports the number of objects flipped.

Note

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Closed polysurfaces cannot have their normal direction facing toward the interior of the object.

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The curve and surface directions affect the results of many surface creation commands and Boolean operations. If Boolean operations give unexpected results, such as a union instead of a difference, try flipping the normal direction of one or both of the surfaces.