API Reference > geometry-core > Serialization > IModelJson > IModelJson.RotationalSweepProps IModelJson.RotationalSweepProps Interface Interface for a rotational sweep of a base curve or region around an axis. Properties Name Type Description axis XYZProps The axis of rotation capped undefined | false | true flag for circular end caps. center XYZProps any point on the axis of rotation. contour IModelJson.CurveCollectionProps The swept curve or region. sweepAngle AngleProps sweep angle Defined in core/geometry/src/serialization/IModelJsonSchema.ts Line 279 Last Updated: 13 June, 2024