वास्तु मण्डन (मण्डन सूत्रधार - गृह, राजप्रासाद, दुर्ग एवं नगर-वास्तु सटीक)

Ch. I – Miśrakādhyāyaḥ 31
(In the) Matsyapurāṇa
97. Vāstuyajña is of five types and this should be performed in the
measurement of the thread, laying of the foundation stone, in
the erection of the door beam, in the first entry of the house and
for ushering peace.
98. The ground plan of a Vāstu starts from one square (Pāda) to
thousand squares. According to the shape of the land, the dia-
gram (Maṇḍala) ground plan can be of thirty-two types.
99. Among all the divisions of Vāstu, two ground plans are to be counted
as the best. They are eighty-one squares or sixty-four squares(Pāda).
Otherwise
100. The sixty-four square plan in suitable for a town, village, royal
palace made of stone, while a house is to be built on the eighty-
one square plan and a temple should be erected on the hundred
square plan.
101. The ground plan of Vāstu is to be divided nine into nine
(square). The same is to be followed for the water-tank and well.
(Now the position of the Gods on Vāstudeva is presented).
102. Īśa rests on the head while Parjanya rests on the right ear, Jaya
rests on the shoulder, Mahendra and the other five Devas reside
on the right hand.