Creating/making a naked portafilter is very simple using a hole saw. This how I made mine.

Tools used:
-50mm holesaw
-Dremel and grinding stone or sand paper

Step 1: Step 1

Use hole saw to drill out bottom. 

Oh my goodness, that is some beautiful espresso! I've been a full-time barista for nearly 8 years and I have to say, the naked portafilter makes the best espresso, as your picture clearly shows. Very nice work.
<p>how so? what is the difference between this and a normal one?</p>
<p>They allow you to see how the coffee is pouring so you can make changes if its channeling. They can make a mess but they do look cool. </p>
portafilter is absolutely correct! look it up before you post
portafilter??? what language is that? filter holder, perhaps?

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