code: def make_fiber(line, a, stepsize=0.5):
      angles = np.random.standard_cauchy(line) * a
      angles[0] += 2 * np.pi * np.random.rand()
      angles = np.add.accumulate(angles)
      coss = np.add.accumulate(np.cos(angles) * stepsize)
      sins = np.add.accumulate(np.sin(angles) * stepsize)
      return np.array([coss, sins]).transpose(1, 0)
  
imports: import random
  from random import randint
  import numpy
  import cv2
label_desc: Use image node_id 15 for calling a global function with example usage: make_fiber(line, a, stepsize) and returns: np