मध्येऽस्य त्र्यङ्गुलं छिद्रमङ्गुष्ठोदरविस्तृतम्। अर्धाङ्गुलोच्छ्रितोद्वृत्तकर्णिकं च तदूर्ध्वतः॥१८॥
with one slit shall be at its centre three Angula in length and of the size of the middle portion of the thumb in widths, about half Angula above the slit three shall be a karnuka – edge, (rim)
मध्येऽस्य त्र्यङ्गुलं छिद्रमङ्गुष्ठोदरविस्तृतम्। अर्धाङ्गुलोच्छ्रितोद्वृत्तकर्णिकं च तदूर्ध्वतः॥१८॥
with one slit shall be at its centre three Angula in length and of the size of the middle portion of the thumb in widths, about half Angula above the slit three shall be a karnuka – edge, (rim)