This is an adapter for Flair Classic's portafilter and a cheap Rubber Air Blower (Aliexpress). It allows you to easily shoot out coffee puck from the portafilter.
Printer Brand:
Creality
Printer:
Ender 3
Rafts:
No
Supports:
No
Resolution:
0.16-0.20, any
Infill:
10-20%