just got this 3D printed.
as mentioned in many youtube and discord coffee (espresso) lover, the 9 needles WDT tools.
link : https://www.thingiverse.com/thing:4819617

Awaiting acupuncture needle to come far away from China.
anyone interested? because of minimum order, it has to be so many. I'll keep myself one, the other 5 will let go (if the needles can slot in XD)