Agni Purana (Jyotisha Selections) · by Vyasa
Chapter 3 · Name Letters and Chakras
युद्धजयार्णवः (चक्राणि)
चन्द्रसंपुटमध्यस्थं सर्वदुष्टविमर्दकम् ।अथ वा कर्णिकायां च लिखेन्नाम च कारणम् ॥ ४० ॥
In the full Agni Purana this is chapter 133, verse 40.
Set in the middle of a moon-shaped cover, it crushes all evil. Or write the name and the purpose in the centre.
Simple meaning: This figure inside a moon-shaped ring crushes evil. Or write the name and the purpose in the centre.
पूर्वे दले तथोंकारं स्वदक्षे चोत्तरे लिखेत् ।
Write Om on the east petal, Hum on the next petals and the vowels on the sixteen petals.
चतुस्त्रिंशद्दले काद्यान्बाह्ये मन्त्रं च मृत्युजित् ।
Write the letters on thirty-four petals with the Mrityunjaya spell outside, on birch bark with rochana and saffron.
*कर्पूरचन्दनाभ्यां च श्वेतसूत्रेण वेष्टयेत् ।
Wrap the figure with white thread, cover it with wax and worship it on a pot.