S | Shapes / Geometries (G+Shape, Curve, Brep, Mesh) | A list of Graphic Plus Shapes, or Curves, Breps, Meshes
B | Boundary (Rectangle) | An optional frame for the drawing. If blank, the shapes bounding box will be used
W | Width (Number) | The width of the output drawing
H | Height (Number) | The height of the output drawing
C | Color (Colour) | An optional background color