Manasara 16.13

16.13

uttaroccaṃ trayāṃśaṃ vā vājanaṃ caikabhāgikam
tatsamaṃ kṣudrapadmaṃ syāttrayaṃ cordhve mahāmbujaṃ

Or the beam's height is three parts, and the fillet-band is one part; / equal to that should be the small lotus, and three [parts] above is the great lotus;