text: import shutil
  import trimesh
  import os
  
  directory = '../data/3D-FUTURE-model/chair/'
  model_names = next(os.walk(directory))[1]
  
  removals = 0
  total = 0
  
  for model_name in model_names:
      total += 1
      mesh = trimesh.load(directory + model_name + '/normalized_model.obj', process=False)
      if isinstance(mesh, trimesh.Scene):
          removals += 1
          print("Removing", model_name)
          shutil.rmtree(directory + model_name)
  
  print("Removed", removals, "of", total, "models")