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.
How far the parallelogram grows along its plane normal, in model units.
How far the parallelogram grows against its plane normal, in model units.
A parallelogram and the extrusion lengths for
shapes.solid.createParallelogramSolid; at least one length must be above 0.