Manasara 22.12

22.12

etaccaturmukhaṃ proktaṃ sarvālaṅkārasaṃyutam
pañcaṣaṭtriśadaṃśaṃ syāttuṅgārdhāṃśa masūrakam

this is declared as Caturmukha, endowed with all ornaments. / When [the height] is thirty-six parts, half a part of the height is the plinth base;