Declension table of ?yantrasūtra

Neuter	Singular	Dual	Plural
Nominative	yantrasūtram	yantrasūtre	yantrasūtrāṇi
Vocative	yantrasūtra	yantrasūtre	yantrasūtrāṇi
Accusative	yantrasūtram	yantrasūtre	yantrasūtrāṇi
Instrumental	yantrasūtreṇa	yantrasūtrābhyām	yantrasūtraiḥ
Dative	yantrasūtrāya	yantrasūtrābhyām	yantrasūtrebhyaḥ
Ablative	yantrasūtrāt	yantrasūtrābhyām	yantrasūtrebhyaḥ
Genitive	yantrasūtrasya	yantrasūtrayoḥ	yantrasūtrāṇām
Locative	yantrasūtre	yantrasūtrayoḥ	yantrasūtreṣu

Compound yantrasūtra -

Adverb -yantrasūtram -yantrasūtrāt