प्राकारसमं मुखमवस्थाप्य त्रिभागगोधामुखं गोपुरं कारयेत् ॥ कZ_०२.३.३१ ॥
prākārasamaṃ mukhamavasthāpya tribhāgagodhāmukhaṃ gopuraṃ kārayet
将门面设置得与城垣同齐(prākāra-sama)之后,应建造门楼(gopura),其“蜥蜴面”式外凸部(godhāmukha)向外伸出三分之一(tribhāga)。
A projection improves lateral coverage and flanking fire onto attackers at the gate, reducing blind spots.