Cnc machining a piece of a plaster mold to slip cast a double-wall insulated ceramic mug. DIY router

[@1janik]

Hi, this is quite interesting, thank you for sharing! The end mill you are using looks to be uncoated, do you have any data/experience on tool life? How quickly does the end mill dull to the point where you have to switch it out? Or do you use specialized tooling?