Agni Purana — Mantra-shastra, Shloka 4
Tvaritā-mūla-mantra and Related Details
Dīkṣā, Maṇḍala, Nyāsa, Japa, Homa, Siddhi, Mokṣa
वज्रस्य मध्यमं शृङ्गं वाह्यरेखा द्विधार्धतः वाह्यरेखा भवेद्वक्रा द्विभङ्गा कारयेद्बुधः
vajrasya madhyamaṃ śṛṅgaṃ vāhyarekhā dvidhārdhataḥ vāhyarekhā bhavedvakrā dvibhaṅgā kārayedbudhaḥ
ヴァジュラ（vajra）においては、外線を二つに分け、その線によって中央の刃（尖端）を形づくる。外線は曲線とし、巧者は二重の折れ（双曲）をもって整形すべきである。
Lord Agni (instructing the sage Vasiṣṭha in the Agni Purāṇa’s technical sections)
Vidya Category: {"primary_vidya":"Dhanurveda","secondary_vidya":"Shilpa","practical_application":"Technical specification for crafting a vajra (weapon/ritual implement): shaping the central prong with a bisected outer guideline, curved with a double bend for strength and iconic form.","sutra_style":true}
Encyclopedic Reference: {"reference_type":"Description","entry_title":"Vajra-śṛṅga-nirmāṇa: Central Prong with Curved Double Bend","lookup_keywords":["vajra","śṛṅga","vāhya-rekhā","dvibhāga","dvibhaṅga"],"quick_summary":"Form the vajra’s central prong using an outer guideline split into two halves; curve the line and create a controlled double bend to achieve the correct profile."}
Weapon Type: Vajra (thunderbolt/club-like emblem-weapon)
Concept: Lakṣaṇa (correct form) arises from measured rekhā; power is stabilized by proportion and controlled curvature.
Application: Use construction lines and symmetric halving to standardize weapon/implement profiles before forging/casting.
Khanda Section: Dhanurveda (Weapon-craft and martial technicals: Vajra/weapon design and construction)
Primary Rasa: vira
Secondary Rasa: adbhuta
Visual Art Cues: {"scene_description":"A skilled artisan draws a vajra blueprint: the central prong outlined with a bisected guideline, then shaped into a smooth curve with a distinct double bend before forging.","kerala_mural_prompt":"Kerala mural, artisan-smith near a forge, holding a stylus over a palm-leaf/board with a vajra outline, central prong shown with two-part guideline and elegant double bend, warm firelight palette.","tanjore_prompt":"Tanjore painting, vajra rendered as a sacred implement with gold highlights, artisan presenting the curved double-bend prong design, ornate workshop shrine to Indra/guardian motif.","mysore_prompt":"Mysore style technical illustration, clean diagram of vajra prong with marked halves and two inflection points (dvibhaṅga), side profile emphasized, minimal background.","mughal_miniature_prompt":"Mughal miniature of a metalworking atelier: master craftsman instructs apprentices, a detailed vajra drawing with curved double bend on paper, tools laid out precisely."}
Audio Atmosphere: {"recitation_mood":"instructional","suggested_raga":"Hindol","pace":"medium","voice_tone":"instructional"}
Sandhi Resolution Notes: द्विधार्धतः → द्विधा + अर्धतः; भवेद्वक्रा → भवेत् + वक्रा; कारयेद्बुधः → कारयेत् + बुधः.
Related Themes: Agni Purana Dhanurveda sections on weapon types and manufacture (adjacent khanda references); Agni Purana Shilpa guidelines for rekhā and curvature in crafted forms
FAQs
It gives a precise design rule for crafting the vajra: the central prong’s outer contour is divided into two halves and must be shaped as a curved outline with two bends—i.e., a specific profile for the prong.
Beyond theology, the Agni Purana preserves hands-on technical specifications—here, weapon morphology and artisan guidelines—showing it functions as a compendium that includes martial and craft sciences (Dhanurveda/śilpa-style instruction).
When such implements are made according to śāstric proportion and form, they are considered ritually “proper” (yathā-vidhi), supporting auspiciousness and correctness in any protective, royal, or consecratory use associated with the vajra.