ग्रहयन्त्रम्The yantra of the planets
Verse 74
विदध्याद्वृत्तलग्नानि दलान्यष्टौ च तद्बहिः । चतुर्द्वारान्वितं कुर्यात् भूपुरं सुमनोहरम् ॥ ७४ ॥
vidadhyādvṛttalagnāni dalānyaṣṭau ca tadbahiḥ | caturdvārānvitaṁ kuryāt bhūpuraṁ sumanōharam || 74 ||
Translation
…outside it he should make eight petals touching the circle, and a charming square enclosure with four doors.
Word by word
- vidadhyāt
- he should make
- vṛtta
- the circle
- lagnāni
- touching
- dalāni
- petals
- aṣṭau
- eight
- ca
- and
- tad
- (tat) it
- bahiḥ
- (bahiḥ) outside
- catur
- (catuḥ) four
- dvāra
- doors
- anvitaṁ
- (anvitam) with
- kuryāt
- he should make
- bhūpuraṁ
- a square enclosure
- sumanōharam
- charming
Meaning
…eight petals fixed to the circle, and outside them the bhūpura, the square outer wall with a door on each side.

Commentary
Hariharānanda Bhāratī’s Sanskrit commentary, translated
He tells the yantra of the planets itself with "tritrikoṇaiḥ" and the rest. First he should draw a yantra marked by three triangles (tribhiḥ trikoṇaiḥ). Then outside those three triangles he should draw a circle (vṛtta), one round maṇḍala. Then he should make eight petals (dala, patra) attached to the circle. Outside them he should make a charming bhūpura (the square outer enclosure) with four doors. Then between the east and the north-east (vāsava and īśāna), on the ground outside the bhūpura, he should draw one round circle a span (prādeśa) in measure. Then between the south-west and the west (rakṣas and varuṇa, nairṛtya and paścima), on the ground outside the bhūpura, he should make in the same way another circle a span in measure.