code: def polygon_to_path(polygon):
      
      # start with a single polyline for the exterior
      entities = deque([Line(points=np.arange(
          len(polygon.exterior.coords)))])
      # start vertices
      vertices = np.array(polygon.exterior.coords).tolist()
  
      # append interiors as single Line objects
      for boundary in polygon.interiors:
          entities.append(Line(np.arange(len(boundary.coords)) +
                               len(vertices)))
          # append the new vertex array
          vertices.extend(boundary.coords)
  
      # make sure result arrays are numpy
      kwargs = {'entities': np.array(entities),
                'vertices': np.array(vertices)}
  
      return kwargs
docs: Load shapely Polygon objects into a trimesh.path.Path2D object
  
      Parameters
      -------------
      polygon : shapely.geometry.Polygon
        Input geometry
  
      Returns
      -------------
      kwargs : dict
        Keyword arguments for Path2D constructor