The last semester of our BA studies we decided to try a photo-mechanical process. There were no useful description wich we can use, so we started to experiment.
Our first try was completely wrong, but the second seemed promising. At the first and the second experiment we use 5x5 cm size copperplates.
Afeter the promising result we change for a bigger size, to se more details. At the 3th experiment we use 20x20cm size plates. After the 3th try we can exlude all mistkae opportunities. For the 4th attempt we wait perfect score.
The final result:
