द्विहस्तं तोरणशिरः ॥ कZ_०२.३.२३ ॥
dvihastaṃ toraṇaśiraḥ
门拱的顶部构件(toraṇaśiras)应为两肘长。
Uniform dimensions simplify procurement, reduce fraud in materials, and ensure structural consistency across state works.