Tunc crassitudo dividenda est in partes novem et dimidiam, et secundum abacum in quattuor partibus volutarum secundum extremi abaci quadram lineae dimittendae, quae cathetoe dicuntur.
Then the height of the capital is to be divided into nine and a half parts, and lines (which are called cathetoe) are to be let fall down the abacus, at the four corners of the volutes, following a perpendicular from the edge of the abacus.
final_alignments\Vitruvius_Architecture_Book_3.json