def _make_folder(self, traj):
print_folder = os.path.join(traj.analysis.plot_folder,<EOL>traj.v_name, traj.v_crun)<EOL>print_folder = os.path.abspath(print_folder)<EOL>if not os.path.isdir(print_folder):<EOL><INDENT>os.makedirs(print_folder)<EOL><DEDENT>return print_folder<EOL>
Makes a subfolder for plots.

        :return: Path name to print folder