Just print this in the scale you want and make sure that you use supports. Use some glue to put the filament piece into the nozzle.

Happy printing! 

I printed the nozzle with:

-0,2mm layer hight

-20% inflill

-0.4mm Nozzle

-PLA

the filament spill with:

-0,16mm layer hight

-0.4mm nozzle

-PLA