The point the shape is centered on, or starts from when aroundCenter is false.
The normal of the plane the shape lies in; the default lays it flat on the ground.
When true the shape is centered on center; when false it starts there and extends in the
positive directions.
The width of the shape's bounding rectangle, in model units.
The height of the shape's bounding rectangle, in model units.
How far the sides lean over from a rectangle, in degrees; 0 gives a rectangle.
The size, lean and placement of a parallelogram for
shapes.wire.createParallelogramWireandshapes.face.createParallelogramFace.