John, I use Pentel Micro correct markers, not designed for our uses in the workshop, but you get a fine white line, which dries fast, I use it for marking out steel for cutting, any any other marking of bins and parts and so on, much easier to see being white. Not a fine enough line for marking out hole positions, but I get the impression you just want a guide to cut to. the mark can be cleaned off with thinners. They seem to last for ages, a very quick google shows a pack of four for available for under £8
Chris Gunn