Declension table of ?sūtrayantra

Neuter	Singular	Dual	Plural
Nominative	sūtrayantram	sūtrayantre	sūtrayantrāṇi
Vocative	sūtrayantra	sūtrayantre	sūtrayantrāṇi
Accusative	sūtrayantram	sūtrayantre	sūtrayantrāṇi
Instrumental	sūtrayantreṇa	sūtrayantrābhyām	sūtrayantraiḥ
Dative	sūtrayantrāya	sūtrayantrābhyām	sūtrayantrebhyaḥ
Ablative	sūtrayantrāt	sūtrayantrābhyām	sūtrayantrebhyaḥ
Genitive	sūtrayantrasya	sūtrayantrayoḥ	sūtrayantrāṇām
Locative	sūtrayantre	sūtrayantrayoḥ	sūtrayantreṣu

Compound sūtrayantra -

Adverb -sūtrayantram -sūtrayantrāt