fromPointsAndPlane = (vertices, plane) => {
  const poly = create(vertices)
  poly.plane = plane // retain the plane for later use
  return poly
}
Create a polygon from the given vertices and plane.
NOTE: No checks are performed on the parameters.
@param {Array} vertices - list of vertices (3D)
@param {plane} plane - plane of the polygon
@returns {poly3} a new polygon
@alias module:modeling/geometries/poly3.fromPointsAndPlane