Manasara 62.23

62.23

tadutsedhaṃ caturmātraṃ grīvātve lambanaṃ budhaḥ
mūlamadhyāgravistāraṃ vedabaddhakalāṅgulam

Its height is four digits; the wise man makes it suspended from the neck; / the width at the base, middle, and tip is four, two, and one digit;