Quote Originally Posted by mdm View Post

... Photopaper can be used and so can wall paper...

... I am shure it is possible to do theese things with half tone seperations too, but I am not shure if there is any advantage.

David
Due to the loss of highlight detail in the carbon process, it is necessary to use high-resolution (300-400 lpi) halft-tone or stochastic screens with con-tone negatives.

And it is necessary to use a dimensionally stable support (such as Kimdura) in order to register the multiple color layers.