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

Ch. III – Durgādilakṣaṇam 87
31. The fort brings happiness if its shape is circle, oval, eight cor-
nered, eight sided, and shape of a barley, Svastika or Puruṣa.
32. One or two may be of the shape of a cart and a fort may have
three or six corners in the shape of Vajra, trident or serpent; ex-
cess corners should be discarded.
33. The city should be decorated with markets, ramparts, Gopuras, pal-
aces, houses, gardens, pillars of fame and water reservoirs.
34. A village will be half of a city, a Kheṭaka will be half of a village, a
Kūṭa will be half of a Kheṭaka, and a Karvaṭa will be half of a Kūṭa.
35. In a city, village, Kheṭaka, Kūṭa, or Karvaṭa the roads should be
serially constructed. Among the 17 number of roads there will be
three or two roads in each direction.
These are the characteristics of a fort and a city-etc.
36. For the protection of a fort, machines should be manufactured in
the prescribed method. The king will be victorious if he worships
those with offerings of wine and meat.
37. While the war was going on between the Gods and demons, the
powerful demons overpowered the Gods. At that time, Lord Śiva
narrated the method of making weapons to Viśvakarmā.
38. Those weapons were of different types and made of stone,
which were devoid of blood stains. (After their use) the demons
were unable to get up and the Gods became winners .
39. Among eighty four types of machineries, nine are meant for using
in the air, nine are for water. Firearms are of six types and war
machines are of sixty varieties.
40. The weapon, which has an eight cubit long rod, is known as Bhairava,
while Candrasampatti is known to have nine cubits and Ādibhairava
is with ten cubit long rods.