code: def load_vertex_buffer(self, fd, material, length):
          
          material.vertices = struct.unpack('{}f'.format(length // 4), fd.read(length))
docs: Load vertex data from file. Can be overriden to reduce data copy
  
          :param fd: file object
          :param material: The material these vertices belong to
          :param length: Byte length of the vertex data