I'm sorry to ask another question, but I have to get my fix everyday
I am trying to cut puffy foam I used Penney Duncan's tip sheet, that didn't work, saw YouTube, got the settings that didn't work. My last try was 60 long in regular holder, V200 and F 190 (the last time, started out at 70) even making cut twice, it hardly penetrates the foam. Any suggestions would be most welcome.