Manasara 34.55

34.55

tribhakti vistṛtaṃ caiva ṣaḍbhaktyāyāma kalpayet
mūlāgre dvārasaṃyuktaṃ pārśve dvāraṃ na yojayet

Three divisions wide, one should design it six divisions long; / furnished with a door at the primary front, one should not place a door on the flank;