or instant coffee powder is placed into the upper chamber of the filter. First, gently tamp the powder with the attached top plunger, then top it with boiling water to fill the chamber.

He 3D printed a holder and you can see how it all turned out in the video below. A coffee filter holds the powder in place. The powder is “fluidized” by airflow, which, in this case ...

If you are using a traditional coffee filter, place 2–3 tablespoons of coffee powder in the upper chamber of the filter. Press the coffee powder gently with the filter’s perforated pressing ...