As i am aware of the Additive Manufacturing is one of the best approach in which the work can be done and in recent years many people also done many thing in this in my college one PhD scholar is working on controlling the temperature at the tip where the output of the fluent take place in FDM and as i am masters student i have studied the subject and work in the lab for 6 months. Can anyone suggest me any new possibilities on which PhD can be done in future or the research work can be started.