Hey Guys!
This is a Nozzle box. In the base of the box, you have 15 threaded holes and the nozzles will easily be threaded in(No need to tap the holes, the thread designed in the plate of the box and will print easily.)The cover for this box will snap on and off easily too.

I hope you'll enjoy this nozzle holder and if you going to print it please share some pictures with us!