I just made my drip cup and connector using a pex sweat adapter and drilling a 1/16 hole through a 510 connector. I used a 16awg blunt tip needle for my center tube.
My question is. How far should the needle stick out of the connector(the part the atty screws on to)
Here is what I have so far. still needs some finishing work and gluing.
My question is. How far should the needle stick out of the connector(the part the atty screws on to)
Here is what I have so far. still needs some finishing work and gluing.

