Fui a por el complemento que el modelo necesitaba.
I went to get the accessory that the model needed.
Breakdown of Fui a por el complemento que el modelo necesitaba.
ir
to go
que
that (relative pronoun, conjunction)
necesitar
to need
el modelo
the model (design; fashion model)
Elon.io is an online learning platform
We have an entire course teaching Spanish (Spain) grammar and vocabulary.