code: def make_points():
      """Helper to make XYZ points"""
      theta = np.linspace(-4 * np.pi, 4 * np.pi, 100)
      z = np.linspace(-2, 2, 100)
      r = z**2 + 1
      x = r * np.sin(theta)
      y = r * np.cos(theta)
      return np.column_stack((x, y, z))
  
imports: import numpy
  import pyvista
label_desc: Use image node_id 1 for calling a global function with example usage: make_points() and returns: np