Many thanks again. I've not been brave enough yet to try the 2mm cuts but will do later.. (I want some 2.2mm holes)


When it comes to work holding the sheet of aluminium and taping it down with carpet tape, what does everyone do with the protective backing?
Does that become the top as you cut through it? While the otherside is stuck down?
Or do you stick the carpet tape to the protective backing side ?
Or do you remove the protective backing altogther?