OptionalcenterThe point the heart is centered on.
OptionaldirectionThe normal of the plane the heart lies in; the default lays it flat on the ground.
OptionalrotationHow far the heart is turned in its plane, in degrees.
OptionalsizeThe side of the square the heart roughly fits into, in model units.
The size and placement of a heart outline for
shapes.wire.createHeartWireandshapes.face.createHeartFace.