त्रीणि त्रिकाण्यनीकं रथानामुरस्यं स्थापयेत्तावत्कक्षं पक्षं चोभयतः ॥ कZ_१०.५.१२ ॥
trīṇi trikāṇy anīkaṃ rathānām urasyaṃ sthāpayet tāvat kakṣaṃ pakṣaṃ cobhayataḥ
ينبغي ترتيبُ صفّ العربات على هيئة ثلاث ثلاثيات؛ ويُقامُ وسطُ المقدّمة تبعًا لذلك، وكذلك الجوانبُ والأجنحةُ من كلا الطرفين.
Modular composition: building a larger array from repeatable triads to simplify control, alignment, and scaling.
To enforce symmetry so that the formation does not develop a structurally weaker wing, which would be exploitable.