I enjoyed working with CNC routers the most. Drafting and 3D modeling was enjoyable, but it was repetitive.
What I wish was different
I wish that I had been assigned some more duties. Sometimes, I had to be creative to be productive.
Advice
I would say that being an intern depends a lot on your own personal motivation. A lot of companies don't have enough work for interns, and you will have to be an active participant to work.