[Wendymott]

In my experience of clear acetate (Nobo). The toner does not adhere to the shiny surface and it is "thin". Thus to get a decent contrast ratio I make two copies and increase the density that way. If you use semi opaque material you get the density, but the overall contrast ratio is severely depleted, thus more exposure time, thus more chance of loosing the wanted tracks. Up to the latest method discussed, I think I have experimented with all options. In the old days it was a Roland pen plotter onto semi clear acetate, but even that was intermittent quality, if the pen ran out or blocked, start again. Ok TiPwun, I did rotate the iron. Next time I will keep stationary and use the main part of the iron plate, "no domestic situations here" haa haa.