Declension table of yantrin

Neuter	Singular	Dual	Plural
Nominative	yantri	yantriṇī	yantrīṇi
Vocative	yantrin yantri	yantriṇī	yantrīṇi
Accusative	yantri	yantriṇī	yantrīṇi
Instrumental	yantriṇā	yantribhyām	yantribhiḥ
Dative	yantriṇe	yantribhyām	yantribhyaḥ
Ablative	yantriṇaḥ	yantribhyām	yantribhyaḥ
Genitive	yantriṇaḥ	yantriṇoḥ	yantriṇām
Locative	yantriṇi	yantriṇoḥ	yantriṣu

Compound yantri -

Adverb -yantri