Crassitudo antepagmentorum <ex> altitudine luminis in fronte xiiii parte, cymatium huius crassitudinis sexta.
The width of the architrave is to be 1/14 of the height of the opening in front; the cymatium is to be 1/6 of the width of the architrave.
final_alignments\Vitruvius_Architecture_Book_4.json