Optionalcontrol1The point the curve leaves toward, in the sketch's x and y.
Optionalcontrol2The point the curve arrives from, in the sketch's x and y.
OptionaltoWhere the curve ends, in the sketch's x and y.
OptionalrelativeWhen true, the control points and to are offsets from where the pen is rather than points of
the sketch.
OptionalidA name for the command, reported with the edges it draws; leave it out to be named by position.
Two control points and a point to end at, for
sketch.commands.cubic, which makes the cubic Bezier commandsketch.pendraws from where the pen is.