def METHOD_NAME(ax, knots):
    """
    Plot the parametric mesh of a NURBS given by its knots.
    """
    knots = _get_knots_tuple(knots)
    dim = len(knots)
    ax = _get_axes(ax, dim)
    uknots = [nm.unique(ii) for ii in knots]
    shape = [len(ii) for ii in uknots]
    ngrid = nm.mgrid[[slice(ii) for ii in shape]]
    coors = nm.r_[[uknots[ii][ig].ravel() for ii, ig in enumerate(ngrid)]].T
    conn, desc = get_tensor_product_conn(nm.array(shape))
    gel = GeometryElement(desc)
    ax = pd.plot_mesh(ax, coors, conn, gel.edges)
    pd.plot_points(ax, coors)
    return ax