pogo pin Connectors 3*3.3mm High current copper pillar CNC lathe parts probe TANGDA Test pin No springs female 3 3.3 mm AG|pin connector|spring connectorl connector - AliExpress
3 hours playing PLA no shiny, 2 minutes playing pogo I got this : r/pokemongobrag
Amazon.com: Adafruit 4115 Zero4U - 4 Port USB Hub Without Pogo Pins v1.3 : Electronics