Describes a circle in 3D space To create a circle there are several ways: Part.Circle() Creates a default circle with center (0,0,0) and radius 1 Part.Circle(Circle) Creates a copy of the given circle Part.Circle(Circle, Distance) Creates a circle parallel to given circle at a certain distance Part.Circle(Center,Normal,Radius) Creates a circle defined by center, normal direction and radius Part.Circle(Point1,Point2,Point3) Creates a circle defined by three non-linear points The radius of the circle. Center of the circle. The axis direction of the circle