import tensorflow as tf

      'depth_renders': tf.io.FixedLenFeature([20, 224, 224, 1], tf.float32),
      'mesh_name': tf.io.FixedLenFeature([], tf.string),
      'near_surface_samples': tf.io.FixedLenFeature([100000, 4], tf.float32),
      'grid': tf.io.FixedLenFeature([32, 32, 32], tf.float32),
