The actual material being printed on is usually paper which is out of wood, how ever the printer may be made out of metal, and I am confused on which one you are asking about.
Answer: It's probably important to have realistic interpretation because then the artist's audience can actually relate to it.
The role of the artist has change ( if any) may have been the fact that now not only do they speak for themselves, their art now expresses other people's feelings too that can not express on their own.
.Explanation:
