Casson, Stanley: The technique of early Greek sculpture (Oxford, 1933)

Fig. 6s. DRAPERY FROM THE ATHLETES BASIS
The surfaces and lines of the drapery are done solely with the flat chisel. The
uncertainty of line of the lowest fold on the right is characteristic chisel-work
and every plane surface shows chisel marks. No abrasive has been employed
at any point.
Scale i/i. From a cast.