def METHOD_NAME(viewer, x, y, z, **kwargs):
    """Produce a compound object of paths implementing a wireframe.
    x, y, z are expected to be 2D arrays of points making up the mesh.
    """
    # TODO: something like this would make a great utility function
    # for ginga
    n, m = x.shape
    objs = []
    for i in range(n):
        pts = np.asarray([(x[i][j], y[i][j], z[i][j])
                          for j in range(m)])
        objs.append(viewer.dc.Path(pts, **kwargs))
    for j in range(m):
        pts = np.asarray([(x[i][j], y[i][j], z[i][j])
                          for i in range(n)])
        objs.append(viewer.dc.Path(pts, **kwargs))
    return viewer.dc.CompoundObject(*objs)